What he said. But in terms of a small room, take note of the size of M80s. You can always move M22 to a rear position or second zone in a bigger house, but you can't hide towers. I like big towers - and that is all I mean by that! - but you have to be willing to accept a certain aesthetic motif to put them in a small room. My HT is not called the "Man Cave" for nothing.

Panny 3000 PJ, 118" Carada, Denon 3300, PS3, Axiom QS8, PSB 5T, B&W sub, levitating speaker wire