Radeon X2800XTX will work at 750MHz/2200MHz
http://uk.theinquirer.net/?article=37638
Radeon X2800XTX2 is ATI's dual R600 card at $600
http://uk.theinquirer.net/?article=37631
ATI R600 coming in March or April
http://www.digitimes.com/NewsShow/Ne...807&query=R600