Anyone got three monitors working?

[DJ Delorie]

Pete Travis <lists at petetravis.com> writes:
> I have three or four displays attached to two different nvidia GPUs.
> I have noticed that a nouveau driven setup handles window management
> much more sanely, and provides adequate 3D support for my purposes.

Three displays is easy.  One desktop on three displays is harder.  Do
you have one desktop?  Can you open a window and make it as big as all
three montors, as if they were one monitor?