Just to add to my post - I owned Kimber b-bus usb, Wireworld Starlight 8, DH Labs Mirage, Audience AU24SE+ and tried Analysis Plus silver usb (around $100). The kimber is barely any different than the generic usb, Analysis Plus was thin, glassy sound with decent amount of glare in the mids, I gave it time to settle but it never materialized.
Wireworld was decent but DH Labs was much fuller, more natural sounding than the Starlight 8.
The best was the Audience. Most natural presentation, smooth and extended. It was in line with the Audience “house” sound.
Good luck and have fun!