gistfile1.txt

App.ProjectSelectView = Ember.CollectionView.extend({
    selected: null,
    itemViewClass: Ember.View.extend({
        attributeBindings:['selected'],
        valueBinding: 'content.selected'
    }),
    
    valueChanged: function(){
        this.$().val( this.get('selected') );
    }.observes('selected'),
    
    didInsertElement: function(){
        var self = this;
        this.$().change(function(){
            var val = $('select option:selected').val();
            console.log(val)
            self.set('value', val);
        });
    }
});

model.js

// Project
App.Project = Ember.Object.extend({
  _id: '',
  title: '',
  info: '',
  testimonial: '',
  type: '',
  created_at: '',
  updated_at: '',
  photos: [],
  available_types: [
    {value: 'landscape', name: 'Landscape', selected: false},
    {value: 'remodel', name: 'Remodel', selected: true},
    {value: 'new', name: 'New', selected: false}
  ],
  formattedDate: function () {
    return (new Date(this.get("created_at"))).toDateString();
  }.property("created_at").cacheable(),
  formattedType: function () {
    return this.get("type").charAt(0).toUpperCase() + this.get("type").slice(1);
  }.property("type")
});

App.currentProject = App.Project.create();