Same problem with VGA output here: Shuttle SH55J2 barebone, Intel Core i3, Ubuntu 10.10. I currently use a Philips VGA TFT screen till my HDMI/DVI adapter arrives.
Setting the screen refresh rate from 60 to 75Hz has brought a little improvement, nevertheless it's unusable.
Same problem with VGA output here: Shuttle SH55J2 barebone, Intel Core i3, Ubuntu 10.10. I currently use a Philips VGA TFT screen till my HDMI/DVI adapter arrives.
Setting the screen refresh rate from 60 to 75Hz has brought a little improvement, nevertheless it's unusable.