Ahoy!   So I'm heading towards the pointy (purchasing) end of my home theatre kit out so I decided to draw up a diagram to help map out speaker placements, which will in turn drive my receiver purchase.   One of the things that's come out of this is that I don't have anywhere to mount/install the side surrounds to be in spec for Dolby Atmos ?   Ideally I'd like to go down the path of having a 7.2.4 setup, but unless the side surrounds can put in the ceiling without