The Guru of 3D has posted some new ForceWare 57.30 64-Bit drivers for Windows XP

Forceware WinXP 64-bit driver package:

Adds support for GeForce 5700 and GeForce 5700 Ultra
Microsoft® DirectX® 9 and OpenGL® 1.5 support
Supports application profiles for custom image quality and performance modes for all of your applications and games.
NVIDIA nView 3.5 Multi-display technology
Advanced Microsoft® Internet Explorer® popup blocker
Industries only Display Gridlines technology
Improved HDTV Y Pr Pb component out support for 480i, 480p, 720p, and 1080i formats*

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