Battle of the bands 5 (best band in america)?

ok. it is round 5. i asked questions of past rounds. i am trying to find out who isd the best band to all of you fans. so here are the bands who made through the rounds.........AFI, guns n roses, three days grace, nirvana, and i am adding iron maiden. go! who is the best band in america? these are the choices above. make your pick.