I ended up with a Denon X6700H receiver. It felt like my Marantz was going to die at any second, and I didn't like the thought of having to do without my system for any stretch of time, so I bought a refurbished unit from Accessories4less. It was delivered yesterday. It's not everything I wanted, since I won't be able to try out balanced connections, and it only has one HDMI 2.1 input, but I think I'm a little more confident in Denon's execution vs Anthem at this point in time. Now the pressure is on for me to get my ALFRs in order so I can have my HT firing on all cylinders. I'll finally be able to use the in-ceiling M3s I've just been storing as well. First impression is positive, since there seems to be less noise coming through the speakers when no content is playing.