I would also give good consideration to ED (Elemental Designs) that Adrian mentioned. They are based right here in the heartland of Iowa, and get rave reviews rom the sub guru's on most forums. I have not yet toured the plant, but I know you get the best bang for the buck, kinda like Axiom.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85