i like to play Marvel super heroes games(CPS), metal slug series(FBA), Neo Drift Out, Blue's Journey (neogeo CD).. i couldn't get a Neo Drift Out working rom for other neogeo systems...
Adventure island series, Double Dragon III, Super Mario series, Galaxian(NES)
Aladdin, Bare Knuckle II, Battletoads and Double Dragon(SMD)
Banjo Pilot, Bruce lee-Return of the legend, MotoGP Advance, Prince of Persia(GBA)
and lot more..
Cps1,2 and NeoGeo are the best for me.. i like to play most of those games...