Dual X850 XT crossfire Owner? Who has dual X850 XT in crossfire mode? or who used to have dual X850 XT in crossfire mode? Can you tell me hows the performance? what game did you play? can you tell me the fps? also if you happend to play these games: - Dark Messiah - Age of Empires III: Asian Dynasties - Time Shift 2007 demo - Vanguard - Zera (asia) - Two Worlds - Soul of the Ultimate Nation (asia) - Rainbow Six: Lockdown ........on maximum settings can you tell me how much fps you get? I have one X850 XT right now and planning to get another one for cheap to do crossfire. I dont mind throwing 50 dollar on a used but working X850 XT. and can my motherboard support crossfire? it's an Emachines T6212 check here for detail http://www.emachines.com/support/product_support.html?cat=Desktops&subcat=T-Series&model=T6212 and if crossfire.... do both card must be from the same brand? I have sapphire... does my second card must be from sapphire as well? or dont have to?