It’s a very attractive looking box.
My question is whether this would offer any improvements over a NUC running ROCK, which is what I use.
Is the Nucleus one basically just that?

ROON Rock on an NUC across the systems
Sitting room: 218, DSP7200SE
Study: 218, Quad 303, Spendor BC1
Bedroom: Musical Fidelity A3CR, Chartwell LS3/5a
Various Sonos boxes in bathroom and spare rooms