...also should I look at direct firing speakers instead of the QS8 as 3 of the 4 can be located on Shelves (with the exception of the one over the Sliding Door).
1. What kind of distance will you have between surrounds/rears and listening positions ?
(a few feet suggests QS*, direct firing becomes more acceptable at greater distances based on the bit of experience I have)
2. My impression (not at all confirmed so I'm just saying this so you check) is that in an Atmos system people seem to be looking at direct firing for surround/rear as well.
(I stress I'm not at all sure of this, just that I have seen a couple of people talking about trading in QS for direct in the course of Atmos-fying their systems)
