There's a game somewhat like SSBB that incorporates 3D.
I dont know if anyone have played this, but it's somewhat of a 3D online Super Smash Brawl game.
It's called Rumble fighter - www.ogplanet.com/rf
There's different fighting styles (i.e. Muay Thai, Boxing, Taekwondo, JeetKuneDo, Karate, etc.) and exocores (ability to morph in order to use special abilities).
There's also different game modes other than pure fighting (i.e. Moving Screen, Capture the Flag, King of the Hill, Soccer, Potion Battle, etc.)
I would like those fighting genre gamers out there to try this out, because this is a really fun game, and most of all - IT'S FREE!
If you guys try this out, add me. My IGN is TonyJaa
To see clips of this game: go to youtube and type in rumble fighter xD.
I've been playing this while waiting for Super Smash. Honestly, I believe that I won't quit playing this and would play SSBB and RF alternatively. This is where I made some SSBB friends that I can actually contact with because of the ability to send messages without Nintendo Restrictions xD