Woah!
robert@MOFETTE:~$ glxgears
6529 frames in 5.0 seconds = 1305.800 FPS
5627 frames in 5.0 seconds = 1125.400 FPS
6540 frames in 5.0 seconds = 1308.000 FPS
14132 frames in 5.0 seconds = 2826.400 FPS
14632 frames in 5.0 seconds = 2926.400 FPS
14641 frames in 5.0 seconds = 2928.200 FPS
14470 frames in 5.0 seconds = 2894.000 FPS
11460 frames in 5.0 seconds = 2292.000 FPS