I filed a bug for this, https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/149260 and Bryce sent me a beta package which works. Solved, I think!
- No joy with XComposite extension on Gutsy on Thinkbook X60 Dan Kegel
- Re: No joy with XComposite extension on Gutsy on Think... Chris Robinson
- Re: No joy with XComposite extension on Gutsy on Think... Dan Kegel
- Re: No joy with XComposite extension on Gutsy on T... Dan Kegel