Bear in mind that for Call Of Duty, especially CoD 5 a number of players have seen odd issues with the ATI cards related to speed of loading games. At least that seems to be the common link we've seen over on NTHW on multiplayer games, when some are still twiddling their thumbs whilst others are playing, yet the PC specs should have been more than adequate, as was the internet connection. ATI cards, as a whole, can be great value, but perhaps there is a reason for it