Well, I have the M20s in a 1800cf room and they sound fine but...

The M22 will do well in that space. The differences between them and the 80s are subtle. If you are concerned about space, go for the M22 + sub (maybe the ep400 since is it so compact).

Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!