I have a E6300 duo core processor (2.1gzh oc'ed) with 4gigs of ram and nvidia 7950GT card. I am able to run 5 wows on 1 pc just fine but i have to set the vid settings on low for everything. I keep 1 window at 1650 wide screen res, the rest 4 are at 1024x768. I keep the other 4 windows minimized for the most part since this vid card cant take rendering 5 wow screens simultaneously. Only using 1 22" wide screen monitor right now but i'm thinking of getting another monitor or another 7950GT and setting it up in duel SLI mode.. Not sure if that will be worth it or not though..