For reference, regarding my previous problems (screen corruption and hibernate/suspend etc), these seem now to be fixed, using latest Jaunty packages.
(some minor visual glitches remain, the worst is that the 'blank screen' screensaver doesn't actually work if desktop effects are enabled using XRender - you can see the fading in and out transitions, but the screen reverts to normal when it should be black).
For reference, regarding my previous problems (screen corruption and hibernate/suspend etc), these seem now to be fixed, using latest Jaunty packages.
(some minor visual glitches remain, the worst is that the 'blank screen' screensaver doesn't actually work if desktop effects are enabled using XRender - you can see the fading in and out transitions, but the screen reverts to normal when it should be black).