I think a used pair of Acoustic Zen Satoris might deliver just what you're looking for. Nicely detailed with plenty of air but not hard or etched sounding, plenty of tonal weight and density without sounding too thick or overdone, and a deep holographic soundstage when it's in the recording. And you should be able to sell them at little/no loss if they're not to your liking, but I'd highly doubt that will be the case. Best of luck.