I'll give my top ten series + best one in that series
1 - King of fighters (KOF 98 is the best)
2 - Tekken (Tekken 5 is the best)
3 - Street fighter (Street fighter 2 Champion edition)
4 - Mortal Kombat series (MK 2)
5 - Soul Calibur series (Soul Calibur 2)
6 - Samurai showdown series (Samurai showdown 2)
7 - Vs series from capcom (marvel vs capcom 2)
8 - Fatal fury series (FF 3, i did'nt play Garou :(
9 - guilty gear (Guilty gear XX)
10 - Street fighter Alpha (SF A 2)