ATI R680 prototypes are up and running
 

The R680 is made of two RV670 chips on a single PCB and AMD is still working on a driver for such a card. This is the card that will make quad Crossfire possible and theoretically, with four of these cards in an 790FX motherboard, you will be able to make even octo Crossfire. That said, we are not aware of any plans for such a platformance or a driver.

http://www.fudzilla.com/index.php?op...23&Ite mid=34