Either the 60's or 80's will suit you fine...
I've got M60's, VP150, and QS8's, and although my room isn't as big as yours, I assume you'll be fine. Sub is where it's at though. I have a SVS PB2-Plus...and let me tell you, that sub is disgustingly overkill for my room, I have it at just about half gain...and it's not even trying... it'd be fine in a room as big as yours, probably even bigger
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Depending on how much you want to crank out (i.e do you want it to shake your viewers kidney's? Then a solid receiver and/or seperates would be your bet.
I own a Denon 3805, and it can thump the room really easy, now if I go up to ear bleeding levels (0db in my case) then the protection circuit on my receiver comes on
Either it's to hot, or not enough continuous power, I'd say a bit of both probably. Also that was in a situation that I was cranking it way to high for comfortable listening
Whatever you choose, have fun!
- D
