That LPA-1 does look like a beast on the inside. I"m a little concerned about the matching pre/pro, are you planning on getting that or using your HK as a pre/pro? Also, I see this amp would not give the rear channels as much, but that is no biggy.

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