Killzone3 isn't that just PS3 and Xbox360?
Dead Space 2 does look neat, only seen the trailers.
Serious Sam 3: BFE looks neat however unless game play is more than monsters coming out of no where it's simply going to be the same old thing. The game play pics look amazing.
Here are some more games that might be good
Elder Scrolls V Skyrimhttp://www.youtube.com/watch?v=PjqsYzBr ... er&list=UL