diff --git a/lib/cake.js b/lib/cake.js
index 856b2949..3fcf7718 100755
--- a/lib/cake.js
+++ b/lib/cake.js
@@ -61,7 +61,7 @@
       task = _ref[name];
       spaces = 20 - name.length;
       spaces = spaces > 0 ? Array(spaces + 1).join(' ') : '';
-      desc = task.description ? "# " + (task.description) : '';
+      desc = task.description ? "# " + task.description : '';
       puts("cake " + name + spaces + " " + desc);
     }
     return switches.length ? puts(oparse.help()) : undefined;
diff --git a/lib/coffee-script.js b/lib/coffee-script.js
index 7b3894bb..fec877b7 100755
--- a/lib/coffee-script.js
+++ b/lib/coffee-script.js
@@ -23,7 +23,7 @@
       return (parser.parse(lexer.tokenize(code))).compile(options);
     } catch (err) {
       if (options.fileName) {
-        err.message = "In " + (options.fileName) + ", " + (err.message);
+        err.message = "In " + options.fileName + ", " + err.message;
       }
       throw err;
     }
diff --git a/lib/command.js b/lib/command.js
index ed7d3f32..5cbf9499 100644
--- a/lib/command.js
+++ b/lib/command.js
@@ -221,7 +221,7 @@
     return process.exit(0);
   };
   version = function() {
-    puts("CoffeeScript version " + (CoffeeScript.VERSION));
+    puts("CoffeeScript version " + CoffeeScript.VERSION);
     return process.exit(0);
   };
 }).call(this);
diff --git a/lib/grammar.js b/lib/grammar.js
index e24caf6a..5469707d 100644
--- a/lib/grammar.js
+++ b/lib/grammar.js
@@ -605,7 +605,7 @@
             }
           }
           if (name === 'Root') {
-            alt[1] = "return " + (alt[1]);
+            alt[1] = "return " + alt[1];
           }
           return alt;
         })());
diff --git a/lib/nodes.js b/lib/nodes.js
index d78d0d44..9f150ff9 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -224,10 +224,10 @@
       var code;
       code = this.compileNode(o);
       if (o.scope.hasAssignments(this)) {
-        code = "" + (this.tab) + "var " + (o.scope.compiledAssignments().replace(/\n/g, '$&' + this.tab)) + ";\n" + code;
+        code = "" + this.tab + "var " + (o.scope.compiledAssignments().replace(/\n/g, '$&' + this.tab)) + ";\n" + code;
       }
       if (!o.globals && o.scope.hasDeclarations(this)) {
-        code = "" + (this.tab) + "var " + (o.scope.compiledDeclarations()) + ";\n" + code;
+        code = "" + this.tab + "var " + (o.scope.compiledDeclarations()) + ";\n" + code;
       }
       return code;
     };
@@ -277,7 +277,7 @@
       var end, idt, val;
       idt = this.isStatement(o) ? this.idt() : '';
       end = this.isStatement(o) ? ';' : '';
-      val = this.isReserved() ? "\"" + (this.value) + "\"" : this.value;
+      val = this.isReserved() ? "\"" + this.value + "\"" : this.value;
       return idt + val + end;
     };
     Literal.prototype.toString = function() {
@@ -316,7 +316,7 @@
         }
         expr = ' ' + this.expression.compileBare(o);
       }
-      return "" + (this.tab) + "return" + expr + ";";
+      return "" + this.tab + "return" + expr + ";";
     };
     return Return;
   })();
@@ -354,6 +354,16 @@
     Value.prototype.isComplex = function() {
       return this.base.isComplex() || this.hasProperties();
     };
+    Value.prototype.isAtomic = function() {
+      var _i, _len, _ref2, node;
+      for (_i = 0, _len = (_ref2 = this.properties.concat(this.base)).length; _i < _len; _i++) {
+        node = _ref2[_i];
+        if (node.soakNode || node instanceof Call) {
+          return false;
+        }
+      }
+      return true;
+    };
     Value.prototype.assigns = function(name) {
       return !this.properties.length && this.base.assigns(name);
     };
@@ -496,7 +506,7 @@
       if (!name) {
         throw SyntaxError('cannot call super on an anonymous function.');
       }
-      return method.klass ? "" + (method.klass) + ".__super__." + name : "" + name + ".__super__.constructor";
+      return method.klass ? "" + method.klass + ".__super__." + name : "" + name + ".__super__.constructor";
     };
     Call.prototype.unfoldSoak = function(o) {
       var _i, _len, _ref2, _ref3, call, ifn, left, list, rite;
@@ -592,7 +602,7 @@
         return "" + fun + ".apply(" + ref + ", " + splatargs + ")";
       }
       idt = this.idt(1);
-      return "(function(func, args, ctor) {\n" + idt + "ctor.prototype = func.prototype;\n" + idt + "var child = new ctor, result = func.apply(child, args);\n" + idt + "return typeof result === \"object\" ? result : child;\n" + (this.tab) + "})(" + (this.variable.compile(o)) + ", " + splatargs + ", function() {})";
+      return "(function(func, args, ctor) {\n" + idt + "ctor.prototype = func.prototype;\n" + idt + "var child = new ctor, result = func.apply(child, args);\n" + idt + "return typeof result === \"object\" ? result : child;\n" + this.tab + "})(" + (this.variable.compile(o)) + ", " + splatargs + ", function() {})";
     };
     return Call;
   })();
@@ -696,9 +706,9 @@
       }
       idx = del(o, 'index');
       step = del(o, 'step');
-      vars = ("" + idx + " = " + (this.from)) + (this.to !== this.toVar ? ", " + (this.to) : '');
-      intro = "(" + (this.fromVar) + " <= " + (this.toVar) + " ? " + idx;
-      compare = "" + intro + " <" + (this.equals) + " " + (this.toVar) + " : " + idx + " >" + (this.equals) + " " + (this.toVar) + ")";
+      vars = ("" + idx + " = " + this.from) + (this.to !== this.toVar ? ", " + this.to : '');
+      intro = "(" + this.fromVar + " <= " + this.toVar + " ? " + idx;
+      compare = "" + intro + " <" + this.equals + " " + this.toVar + " : " + idx + " >" + this.equals + " " + this.toVar + ")";
       stepPart = step ? step.compile(o) : '1';
       incr = step ? "" + idx + " += " + stepPart : "" + intro + " += " + stepPart + " : " + idx + " -= " + stepPart + ")";
       return "" + vars + "; " + compare + "; " + incr;
@@ -709,7 +719,7 @@
       idx = del(o, 'index');
       step = del(o, 'step');
       step && (step = "" + idx + " += " + (step.compile(o)));
-      return from <= to ? "" + idx + " = " + from + "; " + idx + " <" + (this.equals) + " " + to + "; " + (step || ("" + idx + "++")) : "" + idx + " = " + from + "; " + idx + " >" + (this.equals) + " " + to + "; " + (step || ("" + idx + "--"));
+      return from <= to ? "" + idx + " = " + from + "; " + idx + " <" + this.equals + " " + to + "; " + (step || ("" + idx + "++")) : "" + idx + " = " + from + "; " + idx + " >" + this.equals + " " + to + "; " + (step || ("" + idx + "--"));
     };
     Range.prototype.compileArray = function(o) {
       var _i, _ref2, _ref3, _result, body, clause, i, idt, post, pre, range, result, vars;
@@ -732,11 +742,11 @@
         o.index = i;
         body = this.compileSimple(o);
       } else {
-        vars = ("" + i + " = " + (this.from)) + (this.to !== this.toVar ? ", " + (this.to) : '');
-        clause = "" + (this.fromVar) + " <= " + (this.toVar) + " ?";
-        body = "var " + vars + "; " + clause + " " + i + " <" + (this.equals) + " " + (this.toVar) + " : " + i + " >" + (this.equals) + " " + (this.toVar) + "; " + clause + " " + i + " += 1 : " + i + " -= 1";
+        vars = ("" + i + " = " + this.from) + (this.to !== this.toVar ? ", " + this.to : '');
+        clause = "" + this.fromVar + " <= " + this.toVar + " ?";
+        body = "var " + vars + "; " + clause + " " + i + " <" + this.equals + " " + this.toVar + " : " + i + " >" + this.equals + " " + this.toVar + "; " + clause + " " + i + " += 1 : " + i + " -= 1";
       }
-      post = "{ " + result + ".push(" + i + "); }\n" + idt + "return " + result + ";\n" + (o.indent);
+      post = "{ " + result + ".push(" + i + "); }\n" + idt + "return " + result + ";\n" + o.indent;
       return "(function() {" + pre + "\n" + idt + "for (" + body + ")" + post + "}).call(this)";
     };
     return Range;
@@ -850,10 +860,10 @@
       for (i = 0, _len2 = (_ref3 = this.objects).length; i < _len2; i++) {
         obj = _ref3[i];
         code = obj.compileBare(o);
-        objects.push(obj instanceof Comment ? "\n" + code + "\n" + (o.indent) : i === this.objects.length - 1 ? code : code + ', ');
+        objects.push(obj instanceof Comment ? "\n" + code + "\n" + o.indent : i === this.objects.length - 1 ? code : code + ', ');
       }
       objects = objects.join('');
-      return 0 < objects.indexOf('\n') ? "[\n" + (o.indent) + objects + "\n" + (this.tab) + "]" : "[" + objects + "]";
+      return 0 < objects.indexOf('\n') ? "[\n" + o.indent + objects + "\n" + this.tab + "]" : "[" + objects + "]";
     };
     ArrayLiteral.prototype.assigns = function(name) {
       var _i, _len, _ref2, obj;
@@ -1013,7 +1023,7 @@
       }
       val = name + (" " + (this.context || '=') + " ") + val;
       if (stmt) {
-        return "" + (this.tab) + val + ";";
+        return "" + this.tab + val + ";";
       }
       return top || this.parenthetical ? val : "(" + val + ")";
     };
@@ -1176,12 +1186,12 @@
         o.indent = this.idt(2);
       }
       code = this.body.expressions.length ? "\n" + (this.body.compileWithDeclarations(o)) + "\n" : '';
-      open = this.className ? "(function() {\n" + comm + (this.idt(1)) + "function " + (this.className) + "(" : "function(";
-      close = this.className ? "" + (code && this.idt(1)) + "};\n" + (this.idt(1)) + "return " + (this.className) + ";\n" + (this.tab) + "})()" : "" + (code && this.tab) + "}";
+      open = this.className ? "(function() {\n" + comm + (this.idt(1)) + "function " + this.className + "(" : "function(";
+      close = this.className ? "" + (code && this.idt(1)) + "};\n" + (this.idt(1)) + "return " + this.className + ";\n" + this.tab + "})()" : "" + (code && this.tab) + "}";
       func = "" + open + (params.join(', ')) + ") {" + code + close;
       o.scope.endLevel();
       if (this.bound) {
-        return "" + (utility('bind')) + "(" + func + ", " + (this.context) + ")";
+        return "" + (utility('bind')) + "(" + func + ", " + this.context + ")";
       }
       return this.tags.front ? "(" + func + ")" : func;
     };
@@ -1247,7 +1257,7 @@
         o.scope.assign(len, "arguments.length");
         variadic = o.scope.freeVariable('result');
         o.scope.assign(variadic, len + ' >= ' + this.arglength);
-        end = this.trailings.length ? ", " + len + " - " + (this.trailings.length) : undefined;
+        end = this.trailings.length ? ", " + len + " - " + this.trailings.length : undefined;
         for (idx = 0, _len = (_ref2 = this.trailings).length; idx < _len; idx++) {
           trailing = _ref2[idx];
           if (trailing.attach) {
@@ -1259,7 +1269,7 @@
           o.scope.assign(trailing.compile(o), "arguments[" + variadic + " ? " + len + " - " + pos + " : " + (this.index + idx) + "]");
         }
       }
-      return "" + name + " = " + (utility('slice')) + ".call(arguments, " + (this.index) + end + ")";
+      return "" + name + " = " + (utility('slice')) + ".call(arguments, " + this.index + end + ")";
     };
     Splat.prototype.compileValue = function(o, name, index, trailings) {
       var trail;
@@ -1322,12 +1332,12 @@
       set = '';
       if (!top) {
         rvar = o.scope.freeVariable('result');
-        set = "" + (this.tab) + rvar + " = [];\n";
+        set = "" + this.tab + rvar + " = [];\n";
         if (this.body) {
           this.body = Push.wrap(rvar, this.body);
         }
       }
-      pre = "" + set + (this.tab) + "while (" + cond + ")";
+      pre = "" + set + this.tab + "while (" + cond + ")";
       if (this.guard) {
         this.body = Expressions.wrap([new If(this.guard, this.body)]);
       }
@@ -1338,7 +1348,7 @@
       } else {
         post = '';
       }
-      return "" + pre + " {\n" + (this.body.compile(o)) + "\n" + (this.tab) + "}" + post;
+      return "" + pre + " {\n" + (this.body.compile(o)) + "\n" + this.tab + "}" + post;
     };
     return While;
   })();
@@ -1416,12 +1426,12 @@
         return this.compileExistence(o);
       }
       this.first.tags.front = this.tags.front;
-      return "" + (this.first.compile(o)) + " " + (this.operator) + " " + (this.second.compile(o));
+      return "" + (this.first.compile(o)) + " " + this.operator + " " + (this.second.compile(o));
     };
     Op.prototype.compileChain = function(o) {
       var _ref2, shared;
       _ref2 = this.first.unwrap().second.compileReference(o), this.first.second = _ref2[0], shared = _ref2[1];
-      return "" + (this.first.compile(o)) + " && " + (shared.compile(o)) + " " + (this.operator) + " " + (this.second.compile(o));
+      return "" + (this.first.compile(o)) + " && " + (shared.compile(o)) + " " + this.operator + " " + (this.second.compile(o));
     };
     Op.prototype.compileExistence = function(o) {
       var fst, ref;
@@ -1524,9 +1534,9 @@
       o.top = true;
       attemptPart = this.attempt.compile(o);
       errorPart = this.error ? " (" + (this.error.compile(o)) + ") " : ' ';
-      catchPart = this.recovery ? " catch" + errorPart + "{\n" + (this.recovery.compile(o)) + "\n" + (this.tab) + "}" : !(this.ensure || this.recovery) ? ' catch (_e) {}' : '';
-      finallyPart = (this.ensure || '') && ' finally {\n' + this.ensure.compile(merge(o)) + ("\n" + (this.tab) + "}");
-      return "" + (this.tab) + "try {\n" + attemptPart + "\n" + (this.tab) + "}" + catchPart + finallyPart;
+      catchPart = this.recovery ? " catch" + errorPart + "{\n" + (this.recovery.compile(o)) + "\n" + this.tab + "}" : !(this.ensure || this.recovery) ? ' catch (_e) {}' : '';
+      finallyPart = (this.ensure || '') && ' finally {\n' + this.ensure.compile(merge(o)) + ("\n" + this.tab + "}");
+      return "" + this.tab + "try {\n" + attemptPart + "\n" + this.tab + "}" + catchPart + finallyPart;
     };
     return Try;
   })();
@@ -1544,7 +1554,7 @@
     Throw.prototype.isStatement = YES;
     Throw.prototype.makeReturn = THIS;
     Throw.prototype.compileNode = function(o) {
-      return "" + (this.tab) + "throw " + (this.expression.compile(o)) + ";";
+      return "" + this.tab + "throw " + (this.expression.compile(o)) + ";";
     };
     return Throw;
   })();
@@ -1589,13 +1599,15 @@
       return this.expression.makeReturn();
     };
     Parens.prototype.compileNode = function(o) {
-      var code, top;
+      var code, expr, top;
       top = del(o, 'top');
-      code = this.expression.compileBare(o);
-      if (top && this.expression.isPureStatement(o)) {
-        return code;
+      expr = this.expression;
+      if (expr instanceof Value && expr.isAtomic()) {
+        expr.tags.front = this.tags.front;
+        return expr.compile(o);
       }
-      if (this.parenthetical || this.isStatement(o)) {
+      code = expr.compileBare(o);
+      if (this.parenthetical || expr.isStatement(o)) {
         return top ? this.tab + code + ';' : code;
       }
       return "(" + code + ")";
@@ -1706,7 +1718,7 @@
           forPart = "" + ivar + " = 0, " + lvar + " = " + sourcePart + ".length; " + ivar + " < " + lvar + "; " + stepPart;
         }
       }
-      resultPart = rvar ? "" + (this.tab) + rvar + " = [];\n" : '';
+      resultPart = rvar ? "" + this.tab + rvar + " = [];\n" : '';
       returnResult = this.compileReturnValue(rvar, o);
       if (!topLevel) {
         body = Push.wrap(rvar, body);
@@ -1746,7 +1758,7 @@
         }
         if (forPart && name === ivar) {
           unstepPart = this.step ? "" + name + " -= " + (this.step.compile(o)) + ";" : "" + name + "--;";
-          unstepPart = ("\n" + (this.tab)) + unstepPart;
+          unstepPart = ("\n" + this.tab) + unstepPart;
         }
       }
       if (this.object) {
@@ -1760,7 +1772,7 @@
         top: true
       }));
       vars = this.range ? name : "" + name + ", " + ivar;
-      return "" + resultPart + (this.tab) + "for (" + forPart + ") {" + guardPart + "\n" + varPart + body + "\n" + (this.tab) + "}" + unstepPart + returnResult;
+      return "" + resultPart + this.tab + "for (" + forPart + ") {" + guardPart + "\n" + varPart + body + "\n" + this.tab + "}" + unstepPart + returnResult;
     };
     return For;
   })();
@@ -1794,7 +1806,7 @@
       idt1 = this.idt(1);
       idt2 = o.indent = this.idt(2);
       o.top = true;
-      code = "" + (this.tab) + "switch (" + ((((_ref2 = this.subject) != null) ? _ref2.compile(o) : undefined) || true) + ") {";
+      code = "" + this.tab + "switch (" + ((((_ref2 = this.subject) != null) ? _ref2.compile(o) : undefined) || true) + ") {";
       for (_i = 0, _len = (_ref3 = this.cases).length; _i < _len; _i++) {
         _ref4 = _ref3[_i], conditions = _ref4[0], block = _ref4[1];
         for (_j = 0, _len2 = (_ref5 = flatten([conditions])).length; _j < _len2; _j++) {
@@ -1812,7 +1824,7 @@
       if (this.otherwise) {
         code += "\n" + idt1 + "default:\n" + (this.otherwise.compile(o));
       }
-      code += "\n" + (this.tab) + "}";
+      code += "\n" + this.tab + "}";
       return code;
     };
     return Switch;
@@ -1876,7 +1888,7 @@
       condO = merge(o);
       o.indent = this.idt(1);
       o.top = true;
-      ifPart = "if (" + (this.condition.compileBare(condO)) + ") {\n" + (this.body.compile(o)) + "\n" + (this.tab) + "}";
+      ifPart = "if (" + (this.condition.compileBare(condO)) + ") {\n" + (this.body.compile(o)) + "\n" + this.tab + "}";
       if (!child) {
         ifPart = this.tab + ifPart;
       }
@@ -1886,7 +1898,7 @@
       return ifPart + ' else ' + (this.isChain ? this.elseBodyNode().compile(merge(o, {
         indent: this.tab,
         chainChild: true
-      })) : "{\n" + (this.elseBody.compile(o)) + "\n" + (this.tab) + "}");
+      })) : "{\n" + (this.elseBody.compile(o)) + "\n" + this.tab + "}");
     };
     If.prototype.compileExpression = function(o) {
       var _ref2, code;
diff --git a/lib/optparse.js b/lib/optparse.js
index 4a9ae283..e354c888 100755
--- a/lib/optparse.js
+++ b/lib/optparse.js
@@ -42,7 +42,7 @@
       var _i, _len, _ref, letPart, lines, rule, spaces;
       lines = ['Available options:'];
       if (this.banner) {
-        lines.unshift("" + (this.banner) + "\n");
+        lines.unshift("" + this.banner + "\n");
       }
       for (_i = 0, _len = (_ref = this.rules).length; _i < _len; _i++) {
         rule = _ref[_i];
diff --git a/lib/rewriter.js b/lib/rewriter.js
index 07560273..73d50e5e 100644
--- a/lib/rewriter.js
+++ b/lib/rewriter.js
@@ -298,7 +298,7 @@
           levels[open] -= 1;
         }
         if (levels[open] < 0) {
-          throw Error("too many " + (token[1]) + " on line " + (token[2] + 1));
+          throw Error("too many " + token[1] + " on line " + (token[2] + 1));
         }
       }
       return 1;
diff --git a/lib/scope.js b/lib/scope.js
index b7a372cf..45378216 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -137,7 +137,7 @@
       for (_i = 0, _len = (_ref2 = this.variables).length; _i < _len; _i++) {
         v = _ref2[_i];
         if (v.type.assigned) {
-          _result.push("" + (v.name) + " = " + (v.type.value));
+          _result.push("" + v.name + " = " + v.type.value);
         }
       }
       return _result;
diff --git a/src/nodes.coffee b/src/nodes.coffee
index 749db005..504389d4 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -335,6 +335,11 @@ exports.Value = class Value extends Base
   isComplex: ->
     @base.isComplex() or @hasProperties()
 
+  isAtomic: ->
+    for node in @properties.concat @base
+      return no if node.soakNode or node instanceof Call
+    yes
+
   assigns: (name) ->
     not @properties.length and @base.assigns name
 
@@ -1374,9 +1379,12 @@ exports.Parens = class Parens extends Base
 
   compileNode: (o) ->
     top  = del o, 'top'
-    code = @expression.compileBare o
-    return code if top and @expression.isPureStatement o
-    if @parenthetical or @isStatement o
+    expr = @expression
+    if expr instanceof Value and expr.isAtomic()
+      expr.tags.front = @tags.front
+      return expr.compile o
+    code = expr.compileBare o
+    if @parenthetical or expr.isStatement o
       return if top then @tab + code + ';' else code
     "(#{code})"