Since everybody here seems smarter then well established audio designers, why don't you start building your own dacs?
I think the owner was pretty clear here, the Dac sounds good, better then well measuring ones, so it seems we are just measuring the wrong things..
Well established audio designer? Who? A hack going from doing "gild the lily" kind of engineering to doing final implementation? If you can't muster up better or equal quality than the ESS DAC sabre example board, you have failed.