I'm very happy with my Lumin X1, but definitely more than $6,500 new. I'm only playing my own library, not streaming from any services, so I have it set in Roon Only mode.
My Roon Core is a Synology DS1821+ NAS. My NAS goes into a Cisco SG200-26 Gb switch and I'm going by Gb fiber from the switch to my Lumin. .
Roon's new ARC app is great for accessing my library while away from home.
FWIW, I've been digitizing my old LPs with an M2Tech Joplin MKIII. Anything new I'm purchasing as FLAC files.