Heres the lineup in my mind
Xbox 360
Banjo Kazooie XBL
Banjo Kazooie: Nuts and Bolts
Tales of Vesperia
Fable 2
Castle Crashers
Geometry Wars 2
Viva Pinata 2: Trouble in Paradise
Wii
Little King's Story
Tales Of Symphonia 2: Dawn of the new World
Wario Land: Shake it
Animal Crossing: City Folk
PS3
Little Big Planet
Disgaea 3
Valkryia Chronicles
Fat Princess
This fall, 360 has the best lineup by far, PS3 doesn't have a whole slew of games, but it has huge heavy hitters (LBP is my most anticipated game since... well Brawl, but beyond that my most anticipated game since Super Mario Sunshine). Wii has crap imo beyond ToS and LKS