They will.
Everything points to visually operated games next gen. Just listen to Bill Gates and other microsoft reps talk about how games will be controlled in the future. Well, that future is next gen, and they'll need a demo game to come with it just as wii did.
A game I'm developing with some friends:
www.xnagg.com/zombieasteroids/publish.htm
It is largely a technical exercise but feedback is appreciated.









