Just for reference. I got 38.6 FPS Average with a Q6600@ 3.2Ghz and an HD 5870 at stock speeds. 1920x1200. No aa. VSYNC off. Everything else on high.
Test 'A'. I wasn't at all impressed by the looks of this "game" though I must say. Some of it was nice. But I still haven't found a game that rivaled Crysis' wow factor imo.
@Hark, I do believe the 5000 series was also built for DX 11 from the ground up. ATi is notorious for being behind the curve with drivers. Give em time.
Edit: Ran Test 'B' with the same settings. 35.4 FPS. With a dip down to 11.xx FPS. Seemed to run smoothly though.
Edit#2: Hark, though nVidia's tessellation implementation is superior to ATi's from what I can gather. That's truly ironic since ATi has been pushing for it since the days of the "N-Patch".