I quite like Interface Builder, and this sounds like a bit of a deal-breaker for me. I'd rather not have my controllers cluttered with UI-positioning code, etc.

I quite like Interface Builder, and this sounds like a bit of a deal-breaker for me. I'd rather not have my controllers cluttered with UI-positioning code, etc. It's a much more elegant way to create you UI (most of the time). I bet they are working on it, though...