your personal system sellers (1 a piece)

[Gab]

Wii: Galaxy or TP
X360: Project Gotham Racing 4, Gears and Rez
PS3: GT5, LBP and singstar (no joke!)

When thinking about this, I realised how many great games are actually muliti-platform this generation, like GTA4, Rockband, GHIII, Dirt, PES and...more...