At the top of my list are:
-The Last Guardian
-Starcraft II
-Call of Duty: Modern Warfare 2
-Mass Effect 2
-Uncharted 2
-Marvel Ultimate Alliance 2 (Civil War? YES PLEASE)

And the rest:
-God of War III
-Bayonetta
-MAG
-Star Wars: The Old Republic
-Aliens vs. Predator

And games that I'm dying to see more footage of:
-The new Legend of Zelda game for the Wii
-MGS5