A lot of off-camera footage of the game. Mostly on an Ipad. There are PC/Mac versions, but I'm not sure if ithey're shipping at the same time as the IOS version. It's all looking good.
It will also be at GDC.
http://www.youtube.com/watch?v=aSjdw7fiVsM (Just in case the embedded video isn't showing up here is the link.)