Very interesting. I wonder how major of an upgrade it will be from v4 to v6 and whether any kind of case replacement is required? Any guesses on upgrade cost? Also, I presume v6 will retain the ID42 card as standard (the lack of any 3xSPDIF inputs really would make the 800 superflous)?

My Kit: 861v8+ID41, 800v4, UHD722, MD600, MS600, MS200, Oppo BDP-203, Genesis 201, Genesis 350 SE, Genesis S4-8 Sub, BG 520i, VTL MB450 II, Krell Showcase 7, Genesis 928 Subs, Danley DTS10 sub, SVS Ultra 16 subs.