Not really... pretty much the same circuit as nintendo boards in a JAMMA cab (inverter), but it's a MUCH smaller potential market so nobody's really jumped on it...
I made these boards I have back in 2005 for a guy who wanted to put xxx-in-1 boards in nintendo cabs, but was too busy to fool with them when I got them back, and they've been sitting ever since.
The one I built up worked nicely with a Jamma board plugged into a the Jamma->Nintendo adapter, plugged into a Nintendo->Jamma adapter on my test bench... but when I went to test them I found out all my nintendos had the 'little connector' harnesses, snd couldn't do anything more with them until I made the little connector to edge connector adapters last year... heh.