I would also consider GIK Acoustics, Real Traps, or heck DIY and use Owens Corning 703. Your going to spend a lot for Auralex and back when I studied this stuff and looked at lab results, it was not even close on absorbtion ratings.

Seems like a lot of money to me for foam.

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