Will be buying:

Star Wars: The Force Unleashed
Wario Land: Shake It
Call Of Duty: World At War

Might be buying:

Animal Crossing: City Folk
Wii Music
Grand Theft Auto: China Town Wars

For 2008: I dont know the exact release Dates so I dont' know the order I will buy them.

de Blob (Wii)
Dead Rising (Wii)
Mushroom Men (Wii)
Call of Duty: World at War (Wii)
Force Unleashed (Wii or 360)
Sam & Max (Wii)
Tiger Woods PGA Tour 09 (Wii)
Animal Crossing (Wii)
Little Kings Story (Wii)
Tom Raider: Underworld (Wii or Xbo360)

definate buys

Left 4 dead
Gears of war 2
PDC World championship darts 2008

maybes

MK V DC universe
Call of duty 5
Mercenaries 2 world in flames

Day one xbox live arcade purchase............ Duke nukem 3D

Gears 2, guitar hero 4, fable2/fallout 3

Just preordered
Tales of Vesperia, and Fable 2

Fallout 3
Gears 2
Mirror's Edge
Project Origin
The Last Remnant

Maybe:

Infinite Undiscovery
Dead Space
Fracture
Banjo Kazooie
Prince of Persia
Mortal Kombat
Sonic
Left 4 Dead
Silent Hill: Homecoming
Rise of the Argonauts

...and the new Castlevania for the DS + Chrono Trigger DS

Call of Duty is a probably not, unless the devs show me some CoD4 greatness, and I simply can't afford guitar hero IV.

Games I wish I could play but don't have PS3/Wii anymore:

Disgaea 3, Resistance 2, ToS2, Warioland Shake it

gears 2,fable 2, and banjo :)

def: infinite undiscovery
fable 2
gears 2

whenever the now pop and last remnant come out and

maybe: banjo

Infinite Undiscovery
Spider-man: Web of Shadows
Mortal Kombat vs. DC Universe

EDIT: Forgot about Wario Land. Also, I'm going to buy Tales of Vesperia and Tales of Symphonia: Dawn of the New World, but I don't think they'll be out in EU this year.

WoW wrath of the lich king
Starcraft 2
Fallout 3