So far from what seen the best overall atmos/dts-x packaged avr receiver taken into account the price, room correction, features & options.. in my opinion is the Denon X7200wa or the Marantz SR7010

7.1.4 * MRX1120 * M100s * 180HP * 4x M3-on walls * 4x M3-IC * dual XV15se * Shakers