I went with an mhdt Constantine for lower cost than Benchmark a couple of years back and have not looked back.
I use it with SB Touch, Roku Soundbridge prior, and my Denon player/recorder on occasion.
The sound quality is consistent and absolute top notch in all cases.
A very good SS DAC that shares some traits with the other popular tube mhdt DACs. Which sounds best will be a function of the rest of the system it is in and listener preference, though I suspect the COnstantine performs better in a pure technical sense (more like Benchmark) than the Paradisea tube DAC that is somewhat comparable in price, at least with teh stock GE tube.