More info (some actually relevant to topic):

The room is about 4000ft3 (17l x 24w x 10h) with long end opening into the dining room. Seating is 14' from 65" tv (view axis is 17 side).

I am using a Pioneer VSX-1015TX (7.1, 125w/ch).

80% movie/television, 18% music (jazz, classic rock, classical), 2% Tiger Woods Golf.