I looked for a thread similar but didn't find any... So I'll start one here!
I have a PS3 and XBox 360...
For 360 I have: GTA4, Arkham Asylum, Quantum of Solace, Saints Row 2, Gears of War 2, Madden 09..
For PS3 I have: Infamous, Killzone 2, Metal Gear Solid 4, Final Fantasy 7...