Corrupted text

All the text that's rendered in the 3D view in the game is corrupted. Text on menus, notification windows, etc. is fine. There's a screen shot here:

http://img339.imageshack.us/my.php?image=screenshotsecondlifeeb5.png

And lspci says:

00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)

Has anyone seen this? None of the options in the startup script seem to help at all.

In case anyone else sees the same thing, all my problems went away by switching to the Cool SL Viewer mentioned by Henri Beauchamp. It also appears to have fixed the occasional client crashes I was seeing. I couldn't be happier.