I dont know if these new drivers will fix any issues related to Jk2 or not but here they are for anyone thats interested.................................
Up to a 25% increase in performance
nView™ 2.0 multi-display technology increases productivity and provides the necessary tools to control the way users access and view applications.
NVRotate™ enabling image rotation on today’s advanced flat panel displays.
NVKeystone™ allows for real-time image correction on portable projectors and heads-up displays.
Digital Vibrance Control™ allows users to adjust color controls to achieve accurate, bright colors under all conditions.
New control panel streamlines user interface and enables faster and easier access to all video settings
Robust Channels enables higher faster performance and better stability for all applications through fail-safe paths in the drivers
CineFX Simulator allows developers to use Cg—“C for graphics”—to write complex shaders in a high level language faster and more easily than before.
NVIDIA’s patented Unified Driver Architecture (UDA) – supports all products in single a driver binary
Heres the link to download them. http://www.nvidia.com/view.asp?IO=winxp-2k_40.41