I know someone has posted before on crossfire setups running slow. Mine is an amd though so figured I would ask. My setup is an fx 53 one gig of corsair 2-2-2-5 ram newest creative card and crossfire cards. 550 enermax PW also. I am getting 6+ on 3dmark 06 and 11+ on 05. Seems low to me I do have them in the right spot the blue spot for the crossfire and the black spot for non. I have it enabled in settings in bios and cats also.