Mike, I can confirm the 50 fps glxgears: just tried openSUSE 11.1 beta5 LiveCD, getting similar results.
Of course glxgears is not a good performance guide but in my case, the relative framerate changes in glxgears are correlated to the relative framerate changes in openarena timedemo when trying different versions of ubuntu with different xorg-server, intel-driver, etc.
Mike, I can confirm the 50 fps glxgears: just tried openSUSE 11.1 beta5 LiveCD, getting similar results.
Of course glxgears is not a good performance guide but in my case, the relative framerate changes in glxgears are correlated to the relative framerate changes in openarena timedemo when trying different versions of ubuntu with different xorg-server, intel-driver, etc.