Anyone have any experience with this unit? Im considering picking one up to send my two mix to. My questions are:

1) Who sells them.. whats the going price?
2) How do they sound. Im used to the Digi 002 converters and a Rosetta 800... my guess is they probably fall in the middle?
3) How do they get their analog signal? I want to send the two mix from my console, can I do that with this box?
4) If this is just a DA, what is the routine for listening back to what was just sent to it?... again, Im used to the 002 and the Rosetta which are AD/DA.

Thanks for any input and advice.