DMeisterJ on 08 June 2008
Street Fighter 2 is probably the best.
I've only played five or six matches of brawl, but after the first match of Street Fighter 2 I was floored, and I wasn't with Brawl, so it'd go to that.
Brawl comes in a close fourth though, behind Virtua Fighter 5 and Tekken 2/3.