Gold Leader is selling a perfect setup for not only a V6K but any other 3dfx system.

Parts included are listed below:
Athlon XP 2700+ Throroughbred-B 2167mhz, 256KB L2, 333Mhz FSB
Socket A HSF + Fan supports Athlon XP 1500+ / Athlon XP 3200+
1x 1GB + 2x 512MB PC-3200 CL2 Kingston Hyper-X Memory = total 2048MB aka 2GB DDR-400
EPoX EP-8K3A with the VIA Apollo KT333 Chipset
Spare EPoX EP-8K3A/8K3A+ Bios chip

The auction can be found here:
http://cgi.ebay.nl/ws/eBayISAPI.dll?ViewItem&item=150418145217