If it’s not a question of ideology but technology, then may be that not worth to limit yourself to “Roon Ready” stuff?
“DLNA ready” SACD/network streamer would be good enough may be: iFi Bridge - A UPnP / DLNA app solution for playback on Roon
I think it is worth looking on the net: RAAT vs DLNA.
But if RAAT is “must have” - look at the “dCS Vivaldi One” - but “love” cost money…