Thanks to DjmUK for the heads up in BPN.
Somehow, someone managed to get their hands on a copy of some leaked ForceWare 66.32 drivers. These files are dated September 4, 2004, and the .inf files show that they only support GeForce 6600 GT & Quadro FX 540.
Download: ForceWare 66.32
News source: In-House
These drivers have not been verified by nVidia or Neowin please use caution when installing them on your system!