str-de597

Hi all, I currently have a Sony STR-DE597 AVR. I am thinking about upgrading to Denon AVR790 for about $400. My setup is below Mitsubishi WD-60737 - FIOS Motorola HD Cable/DVR -HDMI to 60737, Optical connection to STR-DE597 Apple TV - HDMI to 60737 Optical connection to STR-DE597 Sony...