I just made the transition to a sc85 from a sc35...yes, very much worth it. You will still get a good dollar value for your used unit and apply that to the new unit and its a great addition to your system. The ess dac is spectacular.
VPI Classic 2/Soundsmith Aida
Parks Audio Budgie Pre Amp - Budgie SUT - Wyred 4 Sound DAC2 DSDse
Pioneer SC85 - Bel Canto REF 500M
Klipsch Cornwall/Crites/Aletheia Audio - Klipsch RC64II - Klipsch SW115
Samsung PN64D8000 - OPPO BDP93
Klipsch Image Ones - Klipsch x11i