I thought this looked like a cool idea...
http://www.ebay.co.uk/itm/171722908193?_trksid=p2060353.m1438.l2661&ssPageName=STRK:MEBIDX:IT
Cheers
Cris
PinballX has had nasty crashing issues on the 2 virtual pins that I've built. I couldn't be bothered to spend any more time troubleshooting it so I stuck with Hyperpin. Agreed that it's a pain to maintain if you have a lot of games on there or need several systems.