my only suggestion would be to start cracking open the pref pane for the displays. See if there is anything in there that might be able to be changed or send you in the right direction.
"Fix it 'til it Breaks."

Jacob - EiC & Director of Technology
Mac Pro Quad 2.66 - 4GB RAM
160 GB SATA RAID 1 - 650 GB Storage
Quad 19" Widescreen LCDs
Accessorized to the Hilt