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Well, mine (at waugh chapel, MD) was interesting. The neighboring gamestop's wii broke so their tournament was moved to the store I was at.
Ended up with 40 people on 4v4 single battle, no clauses.
My ninjask/kingdra combo swept up until the finals. During the finals my opponent got lucky with...
I just called my local gamestop (Village at Waugh Chapel, MD) and while the employee did not know if it was going to be 2v2 or 1v1, he did say if you had more than 2 shinies that you would be disqualified.