Sounds like fun, man! Definitely post some shots.
I just brought my 50mm f/2.8 Macro, my EF 28-135mm f/3.5-5.6 IS USM lens, and a Twin Lite. It was TOOOO crowded, with kids bumping me everytime I went to take a shot...I finally got too frustrated and stuck with the 50mm macro for the entire day.