What ever happened to the proposed a/b digital output at some later proposed software up-date being able to expand the number of the existing channels ?

DSP3100, 2x M33's centers and 4 DSP33's surrounds.Sw1600 sub. (like to get another one)
Oppo 105D ,203, Anthem AVM60, Pioneer Elite SCLX701
588, 518, and 568, M10, M 20's,
Aria Piccolo music streamer.
Shunyata Hydra 8 and various Shunyata cables.
Monster AVS 2000