I have a decent 5.1 system and am looking to upgrade. My current speaker system is Jamo 5.0 S-803 HCS + Elac SUB_1010 10". I'm looking at my upgrade optoions. My 5.1 receiver is still good but I am going to get either a 5.2.2 or 7.2 as mine doesn't have Atmos, add another sub and Atmos speakers. I like the Jamo brand and would like to add 2 towers with the Atmos top mounts (S-809 + ATM-50 Atmos) and mount 2 more to the top of my existing S-803 fronts, which will be relocated to the rear surround position. If I get what I'm considering, the 809s would replace the 803s as fronts with the Atmos units on top, the 803s would replace the 801s as the rears with either another pair of the ATM-50s or the S-8 ATM mounted atop and a J-12 for the second sub. If I'm correct, this system configuration would eliminate my 801s, whereas if I went with a 7.2 receiver I would be able to use them? Or do I have to go to a 9.2 system? And is it going to work with a second pair of Atmos speakers at the rear?