I tried Atmos today with Klipsh speakers. I think it's pretty cool. Hopefully Meridian will add Atmos compatibility to the surround processor in the future. The 2 new in ceiling speakers are going to cost me the price of a small car though.

Meridian Explorer, Seinheiser HD650, B&W MM-1
Ordered (new home under construction)
Grey Aluminum DSP7200SE, DSP7200HCSE, 4 DSP520, 2 DSW, G61R, HD621, MC200, Sony VW500ES, Supernova Blade 112"?"