Originally Posted by Jon
Well, I just gave it a try with sli disabled totally instead of single gpu profile and it seems you are indeed correct. I get 80% + usage on one gpu and 0% on the other... finally. But my framerates then go up by about 10fps... so the lowest I get now is 30fps! Cheers for that. Bit of a pain I have to turn SLI on and off... but its really the only game I'm playing at the moment anyway.
You should also try turning down the audio quality as I suggested.