I am also looking at the in ceiling M3,s for my Atmos set up as I am trying to maintain timbre matching .
I see other brands of in ceiling speakers offer a rotational tweeter to get the highs pointed directly at the listener .
Not saying that the M3,s wont do the job with the fixed positioning of the tweeter , but i am wondering just how important this rotating tweeter is .
On another note : I guess I will be selling my pair of Q8,s unless i can figure out how to get them to fire directional as recommended by Dolby


M60,s Vp160 , QS8,M3,s Svs 12 . Yammy 3063 ,Panamax 5100,PS3,Optima HD80 Axiom Air