These are with the last commit

ember/app/controllers/index.js

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+import Ember from 'ember';
+
+import DiscussionResult from '../models/discussion-result';
+import PostResult from '../models/post-result';
+import PaneableMixin from '../mixins/paneable';
+
+export default Ember.Controller.extend(Ember.Evented, PaneableMixin, {
+	needs: ['application', 'composer', 'index/index', 'discussion'],
+
+	index: Ember.computed.alias('controllers.index/index'),
+
+	paneDisabled: Ember.computed.not('index.model.length'),
+
+	actions: {
+		transitionFromBackButton: function() {
+			this.transitionToRoute('index');
+		},
+
+		loadMore: function() {
+			this.get('index').send('loadMore');
+		},
+
+		newDiscussion: function() {
+			var composer = this.get('controllers.composer');
+            composer.set('minimized', false);
+            composer.set('showing', true);
+            composer.set('title', 'Discussion Title'); // needs to be editable
+            composer.set('delegate', this);
+		}
+	}
+});

ember/app/routes/index/index.js

@@ -0,0 +1,47 @@
+import Ember from 'ember';
+
+import AddCssClassToBodyMixin from '../../mixins/add-css-class-to-body';
+
+export default Ember.Route.extend(AddCssClassToBodyMixin, {
+	cachedModel: null,
+
+	model: function() {
+		if (!this.get('cachedModel')) {
+			this.set('cachedModel', Ember.ArrayProxy.create());
+		}
+		return Ember.RSVP.resolve(this.get('cachedModel'));
+	},
+
+	setupController: function(controller, model) {
+		controller.set('model', model);
+
+		if (!model.get('length')) {
+			controller.set('resultsLoading', true);
+			controller.getResults().then(function(results) {
+				controller
+					.set('resultsLoading', false)
+					.set('meta', results.get('meta'))
+					.set('model.content', results);
+			});
+		}
+	},
+
+	deactivate: function() {
+		this._super();
+		this.controllerFor('application').set('backButtonTarget', this.controllerFor('index'));
+	},
+	
+    actions: {
+    	refresh: function() {
+    		this.set('cachedModel', null);
+    		this.refresh();
+    	},
+
+	    didTransition: function() {
+	    	// @todo only if it's not a new discussion
+	    	this.controllerFor('composer').send('minimize');
+	    	this.controllerFor('index').set('paned', false);
+	        this.controllerFor('index').set('paneShowing', false);
+	    }
+	}
+});