'meta-o' presents open dialog.

src/atom/window.coffee

@@ -27,6 +27,10 @@ windowAdditions =
       if String.fromCharCode(event.which) == 'S' and event.metaKey
         @editor.save()
 
+      if String.fromCharCode(event.which) == 'O' and event.metaKey
+        url = atom.native.openPanel()
+        @editor.open(url) if url
+
   unbindKeys: ->
     $(document).unbind 'keydown'
 

src/stdlib/native.coffee

@@ -26,11 +26,7 @@ class Native
       return null
     filename = panel.filenames.lastObject
     localStorage.lastOpenedPath = filename
-    filename.toString()
-
-  openURL: (url) ->
-    window.location = url
-    atom.app.activeWindow.setTitle _.last url.replace(/\/$/,'').split '/'
+    filename.valueOf()
 
   # Returns null or a file path.
   savePanel: ->