Thanks for the reply. Even with the latest CAP installed, I still get the message that Crossfire isn't supported when I start the game, and the game itself still stutters every few seconds.

I'm having a similar problem, the performance of the game is stuttery and terrible. This is my setup: Windows 7 64 bit Intel Core i7 930 2.8Ghz 6GB DDR3 RAM Radeon HD 5970 (dual core GPU, essentially a crossfire setup on a single PCB) Catalyst Driver version: 11.9 My machine is capable of running an...