Ok, I know I've been a bit lax with the updates - sorry all.
I was looking over the 190.xx section @ lv2go and checked out the 190.40 driver info. I was going to install the lv2go driver but instead tried the driver from the site they referenced in their post. Almost every mobile card is supported. I installed it and it seemed to install smoother than some of the drivers lv2go releases.
Might want to give this one a try... I've had really good performance with it and thermals are nice and low.
XP 32-bit:
http://pic.xfastest.com/z/NVIDIA%20%C5X%B0%CA/190.40/190.40%20WinXP32.rar
XP 64-bit:
http://pic.xfastest.com/z/NVIDIA%20%C5X%B0%CA/190.40/190.40%20WinXP64.rar
Vista 32-bit:
http://pic.xfastest.com/z/NVIDIA%20%C5X%B0%CA/190.40/190.40%20Vista32.rar
Vista 64-bit:
http://pic.xfastest.com/z/NVIDIA%20%C5X%B0%CA/190.40/190.40%20Vista64.rar