Yeah, I had some wierd stuff happen when I upgraded to 6.6 also. By the way, those are some freakin crazy specs. Nice... w/the x1800 series, do you still have to use that goofy cord to crossfire? I heard they were making an internal bridge a while back and didn't know what series of cards they were using it on first.
Light travels faster than sound. That's why some people look bright until they start talking.