I would possibly go for Cannibal Corpse, Body Count and Wretched and also watch Emmure, Mushroomhead and Suicide Silence for the lulz. Hopefully there'll be cheap ass tickets and I could leave before that abomination of a main stage even starts.
10/3 Pharaoh and Nocturnus
10/13 Weekend Nachos and Pseudogod
10/16 Cave State
10/17 He is Legend