This is my first post to this forum. Please forgive me if this response is not appropriate.

I am in a very similar position as I have in the past month had to replace my 800 drive and update my 861v4 software to version 6.03. I only was using my 800 for DVD-Audio and CD's. I had the power supply replaced at the same time with a LPS and also removed the video output at Marc Koval's suggestion. The results were very pleasing. I am going to utilize a modded Oppo 93 with a 4x SPDIF output instead of a HD621. My 861v4 will only accept 5.1 of course. The Oppo will be my blu-ray/DVD player and my 800 will be limited to music only. The rest of my inputs ie. sat/game players will be sent through my DVDO edge and DD/DTS will go into the 861 optical input. This is just one way to deal with the issue but seems to very similar to your situation.


Main: 800 with LPS, 861v4, 818v3,8000.1SE, 96/24-6k C, 96/24-5k sides, DSP33 rears, M2500 + Velodyne 12", QNAP-MS600, Ruby, PS3, HD621, Oppo.
Games room: G68J, HD621, M33's front, analog ceilings rear, Velodyne 10"
LR- 6k 24/96, MS200, 800 with LPS