The Phoronix guys are hard at work beating ATi to death on Linux systems (as usual) to see what breaks & what doesn't. This time around, they've used the new AVIVO R500 driver with an RV610-based card to see if there's any improvement over the standard fglrx driver.

"However, for the end-user the support isn't complete and still equates to being useless. But how does the recently announced Avivo R500 driver function with the newer R600 series?"