Originally Posted by Tr1cK
I run dualview so I can do things on my 2nd monitor while playing WoW. I have noticed that Firefox being open (doesnt have to have focus) can slow WoW down. I think its pages that are flash heavy to be the culprit. Ive loaded the same page in IE while playing WoW and had practically no slowdown. (This all was before my x2.)
Damn... I almost always have FF open in background (no dual monitor setup here) for thottbot and such...
I need to try this right away!