Looks like Nvidia Corp. is not waiting for WHQL certification of the 40.xx driver series anymore but switched attention to 41.xx. EVGA instead is now hosting WHQL certified drivers 40.72 for Windows operating systems.
Release Notes: WHQL Certified Full Acceleration and support for all GeForce4 cards Adds Support for next generation 8X AGP chipsets NVIDIA?s patented Unified Driver Architecture (UDA) ? supports all products in single a driver binary Up to 25% performance improvement for 3D Adds Advanced NVIEW Features Adds PIVOT capability Adds KEYSTONE capability Download 40.72 WHQL Windows 9x/ME Download 40.72 WHQL Windows 2000/XP