UPDATE 9/26/13: I gave an updated version of this talk in September. There's no video, but you can find the materials here. The big changes are the upgrade to Ember 1.0, and the use of components.
Last night I gave a talk at the Boston Ember.js meetup group. Here are the materials from my presentation.
Demo: Each part is self-contained, so you can view source to see exactly what's going on: