A quick search showed this discussion over on Head-Fi:
https://www.head-fi.org/threads/newontech-dac-07.969331/
I've not heard it and have no real interest in it, but Head-Fi is a good place for some interesting discussions.
NewOnTech Dac07 - Any Users Out There?
Hey everyone. Wondering if anyone has any experience with this DAC that Mike Powell has started distributing? Any comparisons?