I have DC Pad Hacks for sale - 75$ shipped in the US. Comes with 1 VMU / memory card.
Wired for any CPS2 ready cab . I can aslo wire the kick harness for a NAC/Windy.

wired for a blast city

Designed to support 1 VMU per controller

I have feedback on neo-geo.com , arcadeotaku ,klov & ebay using this username.
Thanks !