While debugging gnome-display-properties on a machine that has an Nv driver, we found out the following:

1. Sax correctly determines that the monitor can use 1920x1200, and X is set up to use that resolution.

2. However, when one runs xrandr, it displays this:

11-1-Desktop:/home/bryen # xrandr --prop
Screen 0: minimum 640 x 400, current 800 x 600, maximum 800 x 600
default connected 800x600+0+0 0mm x 0mm
   800x600        75.0*    60.0     72.0     56.0  
   640x480        75.0     60.0     73.0  
   720x400        70.0

(Ignore the "--prop" option; we were looking for the EDID information there, but since Nv doesn't do RANDR 1.2 it can't provide that property.)

Notice that xrandr reports that the current resolution is 800x600, even though the monitor's "info" function says that it is being run at 1920x1200.

Bryen, can you please attach your /var/log/Xorg.0.log?

I *think* this may be a bug in the Nv driver - not reporting the actual resolution in the RANDR calls, but I'm not entirely sure.