I’m in the market for a DS (Sr.) DAC. Obviously, I could also get the DS Jr. but I had a couple of questions first.
I’ll start with:
Have there been different hardware versions of the DS? Or do the names change significantly to show changes in hardware - for example; Perfect Wave MKII to the Direct Stream?
In other words how do I know I’m getting the latest hardware?
There’s only one version of the DS hardware out there. If (when) we update the hardware there will be a new name. (In more detail: at times we might have to shift vendors for, say, a cap, but I always have to approve any such changes.)
Thanks for the info Ted. That’s good to know. I’m obviously new to PS Audio or I would have know your naming conventions.
FYI, I was attracted to PS audio through Paul’s YouTube videos. I like his understanding of Audio, his honesty, and his curiosity.
Also I like the idea of taking full advantage of my Roon license - something I can’t do with my AK500N.
Welcome, ericsphone!
The nomenclature and abbreviations of this forum take a bit to pick up. Just ask if you feel confused.
Oh, so there will be an update for us PSA DS owners? 
Probably someday, it’s not in progress.
Why don’t you sell me your used one then? Ha Ha 
Be careful what you wish for!