little update, I found that just using the installed software with the card you can OC this up to 480/950 MHz (a little higher than 5950 speeds) and still be covered by the Gainward warranty....sweeeeet
*edit
for those unfamiliar with this card here are the specs;
Chipset/Core Speed: GeForce FX 5900/400MHz
Memory/Effective Speed: 128MB DDR(256-bit,2.2ns)/850MHz
BUS: AGP 1X/2X/4X/8X
Ports: VGA Out(15 Pin D-Sub)+VIVO+DVI connector
Support 3D API: DirectX®9.0, OpenGL®1.4
Cable/Accessories: VIVO&Power Cables, VGA via DVI Adapter, 3 CD, Manual
Max Resolution@32bit Color: 2048X1536@85Hz
Retail Box (See pics for details)
NVIDIA CineFX 2.0 engine
NVIDIA Intellisample high-resolution compression technology (HCT) improves performance at high resolutions
NVIDIA UltraShadow technology enhances performance of bleeding-edge games that use complex shadows.
AGP 3.0 support for 8x and 4x and AGP 2.0 support for 4x, 2x, 1x
