Hmm i'm about to upgrade my Q6600 with 8800GTS cars to an I7 920, ati 5870 anmd 12gb ram hoping all system lag etc would disappear on my 5 box.. so the above posts are a little worrying.

Any other people comments on 5 box with single system?

One thing i have found on my current system is that i have 2 x 8800gts cards connected to four monitors i have the 4th monitor in portrait mode with two accounts running its an old HP screen and i find if i try to interact with those direct wow crashes, but if i drag the game to another screen i can interact fine.