Ember-data numbers

Why are my filters not showing any numbers?

HTML

<script src="https://github.com/downloads/wycats/handlebars.js/handlebars-1.0.0.beta.6.js"></script>
<script src="http://cloud.github.com/downloads/emberjs/ember.js/ember-latest.js"></script>
<script src="http://cloud.github.com/downloads/emberjs/data/ember-data-latest.js"></script>
<script type="text/x-handlebars" data-template-name="application">
    <header>
        <h1>Filter data</h1>
    </header>
    {{outlet}}
    <footer></footer>
</script>

<script type="text/x-handlebars" data-template-name="home">
    <ul>
    {{#each filter in controller}}
        <li>{{filter.title}}, ({{filter.slug}}): {{filter.thumbnailUrl}} ({{filter.thumbnailWidth}} x {{filter.thumbnailHeight}})</li>
    {{/each}}
    </ul>
</script>

CSS

header h1 {
    width: 100%; height: 40px; line-height: 40px; text-align: center;
}
header nav {
    width: 100%; text-align: center; 
}
a {
    color: #008Bff; cursor: pointer; text-decoration: underline;
}
p {
    padding: 20px;
}

JavaScript

Sylvius = Ember.Application.create();

Sylvius.Filter = DS.Model.extend({
  title: DS.attr('string'),
  slug: DS.attr('string'),
  // Belongs to Atlas
//  atlas: DS.belongsTo('Sylvius.Atlas'),
  // Has images
//  images: DS.hasMany('Sylvius.Image'),
  // May have AtlasExtras
//  extras: DS.hasMany('Sylvius.AtlasExtra'),
  // Structures for this filter
//  structures: DS.hasMany('Sylvius.Structure'),
  // This is the path to the thumbnails sprite.
  // Each image will have an index on this sprite
  thumbnailUrl: DS.attr('string'),
  // How big is each thumbnail?
  thumbnailHeight: DS.attr('number'),
  thumbnailWidth: DS.attr('number'),
  // How big are the images? This will designate how far we need to move the sprites around.
  imageHeight: DS.attr('number'),
  // which image is selected?
//  selectedImage: DS.belongsTo('Sylvius.Image'),

  // Correct the slug if the title changes
  fixSlug: function() {
    this.set('slug', this.get('title').dasherize());
  }.property('title'),

  path: function() {
    return [this.getPath('atlas.path'), this.get('slug')].join('/');
  }.property('title')

});

Sylvius.Filter.FIXTURES = [{
  "id": 1,
  "title": "Dummy Title",
  "slug": "dummy-title",
  "thumbnail_url": "path/to/thumbnail.gif",
  "thumbnail_width": 100,
  "thumbnail_height": 75,
  "atlas_id": 1, 
  "images": [1, 2, 3, 4, 5, 6, 7],
  "structures": [0]
};

Sylvius.store = DS.Store.create({
    revision: 4,
    adapter: DS.fixtureAdapter
});


Sylvius.ApplicationController = Em.Controller.extend();
Sylvius.ApplicationView = Em.View.extend({
    templateName: 'application'
});

// For the "atlas launcher" box on the home page and the panel
Sylvius.HomeController = Em.ArrayController.extend({
    content: Sylvius.store.findAll(Sylvius.Filter)
});

Sylvius.HomeView = Em.View.extend({
    templateName: 'home'
});

Sylvius.Router = Em.Router.extend({
    enableLogging: true,
    location: 'hash',
    root: Em.Route.extend({

        // STATES
        index:...