My website is running weekly tournaments on Playstation 3 every week. Next MK tournament is June 5. No entry fee. 32 player limit. Double-elimination brackets. Prizes. Sign-up details and extended information is in the link below.
http://www.thenobleeskimo.com/tournaments.html
I’ve been running successful MvC3 tournaments for several months now, and I’ve got a pretty solid grasp on how to handle these things. Everyone always has a great time. Hope to see you there!