Just got word from Extremepc.pl that they have got hold of Nvidia Detonator Drivers 27.23 WHQL for Windows XP/2000 but these drivers are for Nvidia's mobile Go chipsets.

NVIDIA GeForce4 440 Go
NVIDIA GeForce4 440 Go
NVIDIA Quadro4 500 GoGL Download Nvidia Detonators Drivers 27.23 WHQL for Windows XP/2000