diff --git a/r2/r2/config/routing.py b/r2/r2/config/routing.py
index f038636dc..671277c05 100644
--- a/r2/r2/config/routing.py
+++ b/r2/r2/config/routing.py
@@ -142,14 +142,18 @@ def make_map():
     mc('/admin/promoted', controller='promote', action='admin')
     mc('/promoted/edit_promo/:link',
        controller='promote', action='edit_promo')
+    mc('/promoted/edit_promo_cpm/:link', # development only (don't link to url)
+       controller='promote', action='edit_promo_cpm')
     mc('/promoted/edit_promo/pc/:campaign', controller='promote', # admin only
        action='edit_promo_campaign')
     mc('/promoted/pay/:link/:campaign',
        controller='promote', action='pay')
     mc('/promoted/graph',
        controller='promote', action='graph')
-
-    mc('/promoted/traffic/headline/:link', controller='front', action='promo_traffic')
+    mc('/promoted/inventory/:sr_name', 
+       controller='promote', action='inventory')
+    mc('/promoted/traffic/headline/:link', 
+       controller='front', action='promo_traffic')
 
     mc('/promoted/:action', controller='promote',
        requirements=dict(action="edit_promo|new_promo|roadblock"))
diff --git a/r2/r2/controllers/promotecontroller.py b/r2/r2/controllers/promotecontroller.py
index 2608954f9..e50c466fc 100644
--- a/r2/r2/controllers/promotecontroller.py
+++ b/r2/r2/controllers/promotecontroller.py
@@ -20,6 +20,8 @@
 # Inc. All Rights Reserved.
 ###############################################################################
 
+import json
+
 from validator import *
 from pylons.i18n import _
 from r2.models import *
@@ -112,6 +114,25 @@ class PromoteController(ListingController):
 
         return page.render()
 
+   
+    # For development. Should eventually replace GET_edit_promo
+    @validate(VSponsor('link'),
+              link = VLink('link'))
+    def GET_edit_promo_cpm(self, link):
+        if not link or link.promoted is None:
+            return self.abort404()
+        rendered = wrap_links(link, wrapper = promote.sponsor_wrapper,
+                              skip = False)
+
+        form = PromoteLinkFormCpm(link = link,
+                                  listing = rendered,
+                                  timedeltatext = "")
+
+        page = PromotePage('new_promo', content = form)
+
+        return page.render()
+
+
     # admin only because the route might change
     @validate(VSponsorAdmin('campaign'),
               campaign=VPromoCampaign('campaign'))
@@ -129,6 +150,28 @@ class PromoteController(ListingController):
             return c.response
         return PromotePage("graph", content = content).render()
 
+    
+    def GET_inventory(self, sr_name):
+        '''
+        Return available inventory data as json for use in ajax calls
+        '''
+        inv_start_date = promote.promo_datetime_now()
+        inv_end_date = inv_start_date + timedelta(60)
+        inventory = promote.get_available_impressions(sr_name, 
+                                                      inv_start_date, 
+                                                      inv_end_date, 
+                                                      fuzzed=(not c.user_is_admin))
+        dates = []
+        impressions = []
+        max_imps = 0
+        for date, imps in inventory.iteritems():
+            dates.append(date.strftime("%m/%d/%Y"))
+            impressions.append(imps)
+            max_imps = max(max_imps, imps)
+        return json.dumps({'sr':sr_name,
+                           'dates': dates,
+                           'imps':impressions, 
+                           'max_imps':max_imps})
 
     ### POST controllers below
     @validatedForm(VSponsorAdmin(),
diff --git a/r2/r2/lib/pages/pages.py b/r2/r2/lib/pages/pages.py
index bb8feaf58..ab1b5a4b5 100755
--- a/r2/r2/lib/pages/pages.py
+++ b/r2/r2/lib/pages/pages.py
@@ -3164,6 +3164,12 @@ class PromotePage(Reddit):
 class PromoteLinkForm(Templated):
     def __init__(self, sr=None, link=None, listing='',
                  timedeltatext='', *a, **kw):
+        self.setup(sr, link, listing, timedeltatext, *a, **kw)
+        Templated.__init__(self, sr=sr, datefmt = datefmt,
+                           timedeltatext=timedeltatext, listing = listing,
+                           bids = self.bids, *a, **kw)
+
+    def setup(self, sr, link, listing, timedeltatext, *a, **kw):
         bids = []
         if c.user_is_sponsor and link:
             self.author = Account._byID(link.author_id)
@@ -3211,11 +3217,24 @@ class PromoteLinkForm(Templated):
             self.market, self.promo_counter = \
                 Promote_Graph.get_market(None, start_date, end_date)
 
+        self.bids = bids
         self.min_daily_bid = 0 if c.user_is_admin else g.min_promote_bid
 
+
+class PromoteLinkFormCpm(PromoteLinkForm):
+    def __init__(self, sr=None, link=None, listing='',
+                 timedeltatext='', *a, **kw):
+        self.setup(sr, link, listing, timedeltatext, *a, **kw)
+        
+        if not c.user_is_sponsor:
+            self.now = promote.promo_datetime_now().date()
+            start_date = self.now
+            end_date = self.now + datetime.timedelta(60) # two months
+            self.inventory = promote.get_available_impressions(sr, start_date, end_date)
+
         Templated.__init__(self, sr=sr, datefmt = datefmt,
                            timedeltatext=timedeltatext, listing = listing,
-                           bids = bids, *a, **kw)
+                           bids = self.bids, *a, **kw)
 
 
 class PromoAdminTool(Reddit):
diff --git a/r2/r2/lib/promote.py b/r2/r2/lib/promote.py
index 57d61f4de..f81e44e4b 100644
--- a/r2/r2/lib/promote.py
+++ b/r2/r2/lib/promote.py
@@ -22,6 +22,7 @@
 
 from __future__ import with_statement
 
+from collections import OrderedDict
 import json
 import time
 
@@ -31,8 +32,9 @@ from r2.models.keyvalue import NamedGlobals
 from r2.lib.wrapped import Wrapped
 from r2.lib import authorize
 from r2.lib import emailer
+from r2.lib import inventory
 from r2.lib.template_helpers import get_domain
-from r2.lib.utils import Enum, UniqueIterator, tup
+from r2.lib.utils import Enum, UniqueIterator, tup, to_date
 from r2.lib.organic import keep_fresh_links
 from pylons import g, c
 from datetime import datetime, timedelta
@@ -538,6 +540,37 @@ def get_scheduled(offset=0):
             error_campaigns.append((campaign._id, e))
     return {'by_sr': by_sr, 'links': links, 'error_campaigns': error_campaigns}
 
+def fuzz_impressions(imps):
+    """Return imps rounded to one significant digit."""
+    if imps > 0:
+        ndigits = int(math.floor(math.log10(imps)))
+        return int(round(imps, -1*ndigits)) # note the negative
+    else:
+        return 0
+
+def get_scheduled_impressions(sr_name, start_date, end_date):
+    # FIXME: mock function for development
+    start_date = to_date(start_date)
+    end_date = to_date(end_date)
+    ndays = (end_date - start_date).days
+    scheduled = OrderedDict()
+    for i in range(ndays):
+        date = (start_date + timedelta(i))
+        scheduled[date] = random.randint(0, 100) # FIXME: fakedata
+    return scheduled 
+
+def get_available_impressions(sr_name, start_date, end_date, fuzzed=False):
+    # FIXME: mock function for development
+    start_date = to_date(start_date)
+    end_date = to_date(end_date)
+    available = inventory.get_predicted_by_date(sr_name, start_date, end_date)
+    scheduled = get_scheduled_impressions(sr_name, start_date, end_date)
+    for date in scheduled:
+        available[date] = int(available[date] - (available[date]*scheduled[date]/100.)) # DELETEME
+        #available[date] = max(0, available[date] - scheduled[date]) # UNCOMMENTME
+        if fuzzed:
+            available[date] = fuzz_impressions(available[date])
+    return available
 
 def charge_pending(offset=1):
     for l, camp, weight in accepted_campaigns(offset=offset):
diff --git a/r2/r2/public/static/js/reddit.js b/r2/r2/public/static/js/reddit.js
index 4d5ef4cfb..018f6df02 100644
--- a/r2/r2/public/static/js/reddit.js
+++ b/r2/r2/public/static/js/reddit.js
@@ -810,6 +810,7 @@ function sr_name_down(e) {
         return false;
     }
     else if (e.keyCode == 13) {
+        $("#sr-autocomplete").trigger("sr-changed");
         hide_sr_name_list();
         input.parents("form").submit();
         return false;
@@ -830,12 +831,14 @@ function sr_dropdown_mup(row) {
         var name = $(row).text();
         $("#sr-autocomplete").val(name);
         $("#sr-drop-down").hide();
+        $("#sr-autocomplete").trigger("sr-changed");
     }
 }
 
 function set_sr_name(link) {
     var name = $(link).text();
     $("#sr-autocomplete").trigger('focus').val(name);
+    $("#sr-autocomplete").trigger("sr-changed");
 }
 
 /*** tabbed pane stuff ***/
diff --git a/r2/r2/public/static/js/sponsored.js b/r2/r2/public/static/js/sponsored.js
index c3a8167e6..76b8c27d2 100644
--- a/r2/r2/public/static/js/sponsored.js
+++ b/r2/r2/public/static/js/sponsored.js
@@ -374,3 +374,29 @@ function pay_campaign(elem) {
 function view_campaign(elem) {
     $.redirect($(elem).find('input[name="view_live_url"]').val());
 }
+
+// writes rows into inventory table when subreddit selector changes
+function update_inventory_table() {
+   var sr = $('#targeting').attr('checked') ? $('#sr-autocomplete').val() : ' reddit.com';
+   $.ajax({
+       url: '/promoted/inventory/' + sr,
+       type: 'GET',
+       dataType: 'json',
+       // on success, update title to show subreddit name and fill table rows
+       success: function(data) { // {'sr':'funny', 'dates':[...], 'imps':[...]}
+           var sr_name = (data['sr'] == ' reddit.com') ? 'front page' : data['sr'];
+           $('#inventory-title > span').text('available ' + sr_name + ' impressions'); // FIXME: i18n
+           $('#inventory').empty();
+           $('#inventory').append('<tr><th>date</th><th>imps</th><th></th></tr>');
+           $.each(data['imps'], function(i) {
+               var w = Math.round(50. * data['imps'][i] / data['max_imps']);
+               var row = ['<tr>',
+                          '<th>' + data['dates'][i] + '</th>',
+                          '<td>' + data['imps'][i] + '</td>',
+                          '<td><div class="graph" style="width:' + w.toString() + 'px" /></td>',
+                          '</tr>'];
+               $('#inventory > tbody').append(row.join(''))
+           });
+       }   
+   }); 
+}
diff --git a/r2/r2/templates/promotelinkform.html b/r2/r2/templates/promotelinkform.html
index 9daa44f9a..66b7f190b 100644
--- a/r2/r2/templates/promotelinkform.html
+++ b/r2/r2/templates/promotelinkform.html
@@ -35,10 +35,14 @@
 <%namespace name="utils" file="utils.html"/>
 
 ${unsafe(js.use('sponsored'))}
+
+<%def name="javascript_setup()">
 <script type="text/javascript">
   $(function() { update_bid("*[name=bid]"); }); 
 </script>
+</%def>
 
+${self.javascript_setup()}
 
 ## Create a datepicker for a form. min/maxDateSrc are the id of the
 ## element containing the min/max date - the '#' is added automatically
@@ -413,6 +417,7 @@ ${unsafe(js.use('sponsored'))}
 </div>
 </div>
 
+<%def name="right_panel()">
 %if thing.link and not c.user_is_sponsor:
   <div class="bidding-history" style="padding-top: 0px;">
     <%utils:line_field title="${_('promotion history')}" css_class="rounded">
@@ -457,6 +462,9 @@ ${unsafe(js.use('sponsored'))}
 </%utils:line_field>
   </div>
 %endif
+</%def>
+
+${self.right_panel()}
 
 %if thing.link and c.user_is_sponsor:
   <div class="spacer bidding-history">
diff --git a/r2/r2/templates/promotelinkformcpm.html b/r2/r2/templates/promotelinkformcpm.html
new file mode 100644
index 000000000..1b6d77194
--- /dev/null
+++ b/r2/r2/templates/promotelinkformcpm.html
@@ -0,0 +1,62 @@
+## The contents of this file are subject to the Common Public Attribution
+## License Version 1.0. (the "License"); you may not use this file except in
+## compliance with the License. You may obtain a copy of the License at
+## http://code.reddit.com/LICENSE. The License is based on the Mozilla Public
+## License Version 1.1, but Sections 14 and 15 have been added to cover use of
+## software over a computer network and provide for limited attribution for the
+## Original Developer. In addition, Exhibit A has been modified to be
+## consistent with Exhibit B.
+##
+## Software distributed under the License is distributed on an "AS IS" basis,
+## WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
+## the specific language governing rights and limitations under the License.
+##
+## The Original Code is reddit.
+##
+## The Original Developer is the Initial Developer.  The Initial Developer of
+## the Original Code is reddit Inc.
+##
+## All portions of the code written by reddit are Copyright (c) 2006-2012
+## reddit Inc. All Rights Reserved.
+###############################################################################
+
+<%inherit file="promotelinkform.html" />
+
+<%namespace file="utils.html" 
+            import="error_field, checkbox, image_upload, reddit_selector" />
+<%namespace name="utils" file="utils.html"/>
+
+<%def name="javascript_setup()">
+    <script type="text/javascript">
+        $(function() { 
+            update_bid("*[name=bid]"); 
+
+            // load available impressions viz
+            update_inventory_table();
+
+            // add change handler to radio that will load front-page imps when
+            // user switches from targeted to untargeted
+            $("#no_targeting").change(function() {
+                $("#sr-autocomplete").val("");
+                update_inventory_table();
+            });
+
+            // wire sr selector to update inventory viz on selection change
+            $("#sr-autocomplete").bind("sr-changed", update_inventory_table);
+        }); 
+    </script> 
+</%def>
+
+<%def name="right_panel()">
+    ## title and table rows are dynamically generated when user selects a target
+    %if thing.link and not c.user_is_sponsor:
+      <div class="bidding-history" style="padding-top: 0px;">
+        <%utils:line_field id="inventory-title" title="" css_class="rounded">
+        <table id="inventory" class="bidding-history">
+        </table>
+        </%utils:line_field>
+
+      </div>
+    %endif
+</%def>
+
diff --git a/r2/r2/templates/utils.html b/r2/r2/templates/utils.html
index c6e37ff78..45b4472a8 100755
--- a/r2/r2/templates/utils.html
+++ b/r2/r2/templates/utils.html
@@ -524,6 +524,11 @@ ${unsafe(txt)}
 </%def>
 
 <%def name="reddit_selector(default_sr, sr_searches, subreddits)">
+    <%doc>
+      Fires custom event when subreddit selection changes. Add handler like:
+      $("#sr-autocomplete").bind("sr-changed", function() { dostuff; })
+    </%doc>
+
     <div id="sr-autocomplete-area">
       <input id="sr-autocomplete" name="sr" type="text"
              autocomplete="off"