I have an EtherRegen but the Networks Acoustics ENO which I have been auditioning for only a few hours seems to take things to a new level. Actually pretty amazing especially since it is passive. And it seems to be getting better as it burns in.

Nucleus Roon Server w Uptone JS-2 LPS.
818v3, 8000SE, IsoAcoustics Titan Theis.
Denafrips Arcas Streamer
Dual SVS SB17 Subs w IsoAcoustics Gaia 1.
AQ Vodka/Diamond Network/SL Cables.
Tempus network switch.
Muon-Pro network filter.
Shunyata Everest, Shunyata Omega and Sigma Power Cables. 2x CAD GC1