I think Tekken should stay, it has a fanbase, the games are current, the only problem being T5:DR’s lack of console counterpart.
Another game that’s not new that probably should be played is Smash, considering it also has it’s fanbase, is fairly recent, even if many people would find it to not be a straight fighter, that no longer matters with Evo taking on games that aren’t fighters at all. (Mario Kart for example.) Though, this may be a game that waits for it’s next installment.
Sadly the Virtua Fighter community has seemingly fallen off the face of the earth in the states. T_T
Perhaps every year Evo could throw in a newer game, just to test the waters. While you run the chance of no one showing (like some believe DOA4 may suffer from) you never know how many people will pick it up, just because it’s at Evo. Or perhaps it’s easier to try out games at Evo East/West, to see if anyone is interested.
Though to help popularity of games like Garou, someone should start making ranbat movies, you know, just for my personal viewing pleasure. I don’t have much in the way of offline people to play in that game, so it’d be fun seeing peeps play.