I'm guessing the room is about 10 ft by 20 ft. Stereo is in the middle of the long wall, and sofa's in the middle of the opposite wall. The wall has 'built-ins', so the stereo is kind of a bookshelf arrangement. No sub in the system, and I'd prefer to avoid one, if possible. Decent, but not spectacular JVC receiver.
Listening levels tend to be medium to low. Occasinally I'll crank it up if no one else is home.
On the surface,the old EPI's are quite similar to the m3's. Slightly bigger physical size, a couple of pounds heavier.