+1 for Bruno, Adrien and Dean. Man, we are GOOD today.

You could consider shelves or a console table behind the sofa so that moving it forward feels a little less forced.

I wouldn't mess with the ceiling speakers at all for now. I would just mount the QS8's on the rear wall.

What was that newish Canadian sub manufacturer with the crazy name? sonicboomaudio sells SVS subs in Canada (~$600 and up).

bibere usque ad hilaritatem