Rawhide: missing resolutions on my LCD

[Bruno Wolff III]

On Tue, Feb 17, 2009 at 12:00:32 -0800,
  Antonio Olivares <olivares14031 at yahoo.com> wrote:
> Yep!  I noticed that, machine is also very sluggish. Hope that an update/update(s) cures the illness :)

You might try playing with nomodeset. I am currently seeing huge (10x and 20x
on different boxes) differences in glxgears frames per second depending on
whether or not that parameter is used. Right now KMS seems to be disabled
for ATI chipsets, so there isn't much point in using it anyway.