If your like the warmer/fuller sound, you are pretty much stuck with the Gungnir/Yggdrasil line of Schiit dacs. Even the cost no object MSBs, Esoterics, Vermeers, etc, will sound anemic to you, i.e., you are done, i.e., you have your "end game".
(I just bought the Yggdrasil again for its beauteous chunky warmth after selling it a couple of years ago ).
P.S, You could try some tube dac and determine if it gave you some rotund goodness (without sounding like a piece of crap), i.e, without losing all the Schiit’s detail. Schiit’s multibit dacs are indeed special.