Well, the intel drivers 2.6 were not the ones who caused the improvement on the FPS in glxgears, so must have been the new kernel instead.
xserver-xorg-video-intel 2:2.7.1
pizzaman@monsterxx8:~$ glxgears
712 frames in 5.0 seconds = 142.184 FPS
3312 frames in 5.0 seconds = 662.324 FPS
3690 frames in 5.0 seconds = 737.900 FPS
3868 frames in 5.0 seconds = 773.471 FPS
3775 frames in 5.0 seconds = 754.883 FPS
3862 frames in 5.0 seconds = 772.306 FPS
3854 frames in 5.0 seconds = 770.738 FPS
3809 frames in 5.0 seconds = 761.785 FPS
3820 frames in 5.0 seconds = 763.819 FPS
3913 frames in 5.0 seconds = 782.482 FPS
3857 frames in 5.0 seconds = 771.238 FPS