This looks like a fun event. I looked through the rules quickly and I saw where they are allocating charcoal baskets. Does that mean that you cannot use fire bricks? If you can use them, that is definitely my preferred method for smoking on the kettle.
WSM, Performer, 22.5 & 18.5 OTG, SJG, mini WSM, Summit 420, Q100, C-G Akorn, and Schwenkgrill