Also registered to bump this issue.
Linux 2.6.32-5-amd64
NVIDIA driver version 260.19.44
The "edid_disable_exts" utility described here fixed me:
http://analogbit.com/fix_nvidia_edid
(Note:
Option "CustomEDID" takes a
semicolon-separated list for multiple displays; my setting did not persist through a driver update)
For posterity's sake, a Windows XP analogue:
http://www.hardforum.com/showthread....post1032078646