I would go with the VP150, my current living room is about that same size, and I would not want to go smaller. Also, I have 4 qs8's with the Denon 2805, and enjoy 6.1 material, as well as PLIIx material. Personally, I think the rear channels do provide a benefit of just 5.1, just my 2 cents.


M60's VP150 EP350 4-Qs8's
Denon 2805


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