FUD Zilla believes ATI is working on a next-generation performance/mainstream GPU with DirectX 11 support. The site doesn't know the codename of the chip but assumes it might be RV870.
We still don’t know the codename, but let's assume that the next generation performance / mainstream chip is codenamed RV870. This chip will likely have DirectX 11 support; at least this is what our sources believe at this time.
There is an important indication that RV870 might launch before DirectX 11 becomes available but this can only be a good thing for ATI, but if we were betting people we would suggest that such a chip should be available a year from now, in late Q2 or early Q3 2009.