I'd have to say....

Definite:

Banjo Kazooie: NAB

Fallout 3

Far Cry 2

Fable 2

Potential purchases/rentals:

Dead Space

Star Wars Force Unleashed

Left 4 Dead

Gears of War 2

Brothers In Arms: HH

Viva Pinata: TIP

Mirror's Edge

Call of Duty 5

Rock Band 2/Guitar Hero: WT

And before I get carried away... + various arcade titles.