Not sure if this has always been the case, but the Oppo 95 plays HRx directly. Even a sale on discs.
http://referencerecordings.blogspot.com/2012/04/award-winning-oppo-player-partners-with.html
You could always take a look at the 45 reissue titles (Blue Note, Impulse, etc.) and try on MOG, CD at local library, etc.
Another discovery option is http://turntable.fm/jazz_any_kind
I wouldn't paint Coltrane by Love Supreme. My favorite is From The Original Master Tapes.
My excitement of yesterday (so few inexpensiveish speakers on my radar are also this sexy to look at), gave way to the realization that a soon to walk newborn and low sitting, uncovered paper drivers probably aren't a great combination. In the end keeping the kid.