I like the Superanalogue Solti vinyl and the Testament vinyl box of Keilberth most (just put Siegfried on the turntable)…the Keilberth is a Bayreuth recording, one of the earliest stereo recordings and it transports (besides the music) every creaking of the stage floor into your listening room…gorgeous even though it sounds a little vintage compared to modern recordings (better in some, worse in some other regards, but extremely immediate and live). You just can’t compare the digital Keilberth version to the Testament vinyl reissues unfortunately. It’s a must have for me.
But although I have several more digital Ring editions, I’d go for the Esoteric Solti when digital in case you like the Solti performance. I’m really a fan of most Esoteric remasterings (they often sound better than the standard vinyl editions) and the Ring is one of the great ones. Sound quality (for the recording era) and performance are first class.
If you ask me for the very best sounding of several digital published interpretations, I’d have to take a listen at a later time.