Phoronix posted a review on the AMD FirePro V7900 running under Linux
Along with the mid-range AMD FirePro V5900 workstation graphics card, which was just reviewed here at Phoronix, this morning AMD is also announcing the FirePro V7900 as their newest high-end workstation graphics card. The FirePro V7900 is a big step-up from last year's FirePro V7800 and features the "Cayman Pro GL" graphics core. Here is our initial Linux tests of this new $999 USD graphics card.AMD FirePro V7900 Linux Review