Hance and Chris have it right. You won't be in the way, and the teams, especially Brethren teams will be glad to meet you and talk, as long as you respect their time. If someone stops by to chat and I have to go do something I excuse my self and let them know that I'll be tied up for xx minutes. They are welcome to stay or can even tag along. But, during crunch time (10:00 - 1:30, typically), I may be busy more than available.
I also agree that if the cost of the entry fee and meat isn't a problem, go for the full sanctioned comp. You'll learn a lot more and have a lot more fun!
"Ron Rico, Boss. You can call me Captain Ron..."
The Naked Fatty!
FEC-100/BWS Party/Memphis Pro SS/PBC/LBGE X 2/SBGE/Mini BGE/Nomad Pellet-matic/Good-One Model 42/WSM X 2/Cookshack Smokette 008/Weber Performer/Saber Cast 500/Weber Gasser (RIP)/Weber Kettle X 2/Weber Smokey Joe/WGA/UDS/Coffee Roasting Gasser