I've read a lot of info on the Sony DA5ES and the HK AVR 520 but I have not seen them compared against each other. Can anyone with these units tell me WHY I SHOULD CHOOSE one over the other? My Goal is to have a great Receiver that I can upgrade to a PRE/PRO in the future. They both seems to decode upto 7.1 formats but I just cant decide. My setup will be 70%/30% HT/Music. Thanks in advance.