Hi Jay, that's a lot of good gear. The first thing would be to get informed on options. You can have anything from 2 channels to multiple based on room available space. I suggest reading up on basic Atmos systems and decide from there where you want to go. If you do not plan on using the Yamaha, look at their newer Atmos capable avr's. Also Denon, Onkyo, Pioneer, Marantz etc....based on budget. Your room size is good but layout and what is in it matters as far as space available. At this point you need to do research. Just search online for Atmos set up, youtube etc..Once you have info, then decide how to proceed, Best.