I have COD4, haven't set up a PSN account yet though. My whole family is asleep, I don't think they're appreciate "PEW PEW PEW BEWM TAK-TAK-TAK PEW"
EDIT: I also have COD2, COD:WAW, MW3 for XBOX360, I have LIVE too, and I have Black Ops 1 for PC.
I also have Big Red One and First Hour or the original XBOX. dunno where my original xbox is though