at my local gamestop in commerce georgia they are holding a tourny from 10 pm to 12 am, its a halo 4 tournament and i am in it. dont know what the prizes are and i never played halo 4 yet but wish me luck halo fans 
add my gt A TEAM ACID if u wanna play sometime
Good Luck, Your gonna need it because I bet there will be try-hards everywhere lol.