I have a ASROCK N68PV-GS with Nvidia gforce 7050 built in graphics and the above procedure to install the Nvidia drivers worked perfectly. Booted into high resolution.
Here is a parital lspci listing:
00:12.0 VGA compatible controller: nVidia Corporation C68 [GeForce 7050 PV / nForce 630a] (rev a2)
Using ubuntu 9.04 server.
Thank you for the help!!