The below are games i will probably buy day one in 2009, for my 360 (given they make it in 2009)
Exclusive
Western RPG's - Divinity 2, Mass Effect 2, Two Worlds Temptation, Venetica, Precursors, Dungeon Hero, White Gold, Fallout 3 exclusive expansion
Japaneze RPG's - Star Ocean 4, Cry On
Startegy - Kingdom Under Fire 2: Dominion, Halo Wars
Survival - Dead Island
Stealth - Splinter Cell Conviction
Shooter - Warhound, Halo games
Adventure - Alan Wake, Theseis
Action - Ninja Blade
Multiplatform
Western RPG's - Dragon Age, Gothic 4, Age of Dreams, Sacred 2, Aliens RPG, Rise of the Argonaughts
Japaneze RPG's - Final Fantasy 13, Tales of Vesperia (Europe), Lord of Shadows
Shooter - Aliens Colonial Marines
Action - Overlord 2, Resident Evil 5
That lineup contains more than double the games i bought this year !!!! Already
My only hope is that some of them get deayed to 2010, because it will definatly be hard to afford all those games