I've really loved using Backbone myself, and have very limited (simple, sample apps) with Ember. Ember comes with stronger conventions than backbone, giving one

I've really loved using Backbone myself, and have very limited (simple, sample apps) with Ember. Ember comes with stronger conventions than backbone, giving one a fuller out-of-the-box application, which for some people and projects is more preferable. I think, like many people have said, they're each intended for different use cases.