You could always try using Axioms Home Theater Wizzard.

http://www.axiomaudio.com/htw/htw.html

I think if you look at the graphs, the m22's actually have better performance down to 60hz with their two woofers. If you add a sub, it would be great. I don't think you need floorstanding, but you could.

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