Seconding this - Sproutcore 2 is such a different beast to 1.0 it's a pity they share a name. There's a number of concepts, particularly around handling cascade

Seconding this - Sproutcore 2 is such a different beast to 1.0 it's a pity they share a name. There's a number of concepts, particularly around handling cascades of DOM updates in there that are far more advanced that you'd have to write yourself in backbone.