If it is going to be converted back to PCM for playback, I guess I don't see much advantage.
The a/d in the v3 does 1 bit conversion and can output dsd or pcm. Essentialy, every v3 a/d is always converting a 1 bit stream to pcm. The v3 does it in hardware, audiogate in software.
Also wondering what it will cost to convert dsd to pcm in 10 or 20 years.
There is always the chance that dsd will take off.... but pcm is very entrenched and very good. If the movie industry wanted dsd to go with their HD/imax/etc, we'd see more products. SD would just release a new a/d board for the 7xx.