Crysis

Crysis is an upcoming sci-fi first-person shooter computer game game that is currently in production by German developer Crytek, best known for the company's successful 2004 first-person shooter Far Cry.

Click here to watch the GDC video, they say it uses the new Directs 10 framework from windows vista 0_0 ! it's amazing.
Screenshots | Also here
Coming to PC and XB360