I finally bought months ago the old d-premier and just ordered now the upgrade to 250 pro for my birthday to pair it with my other 250 pro and switch on 1000 pro, can't wait to try it :-)
Roon/Devialet Air/HTPC USB => Devialet 1000 Pro Core Infinity => Nordost Frey 2/strap Norse 2 => BW 802 D3