Xbox 360 games:

Ghost Recon: Advanced Warfighter
The Elder Scrolls IV: Oblivion
Perfect Dark Zero
Battlefield 2

I'm planning to buy (for 360):

TimeShift
Prey
Burnout Revange

(Note: This is just till July, it's just that i can't be bothered to type down all games i'm buying..)

Xbox Games i own:

Halo 2
Fable: The lost chapters
Brute Force

Xbox games i'm planning to buy:

The Elder Scrolls 3: Morrowind
Doom 3
Jade Empire
StarWars Knights of the old republic 2
StarWars Knights of the old republic 1
Halo 1

=)