I can't help you with your lp selection but I have to disagree with Mechans. I bought the redbook reissue a couple of years ago called "The Fillmore Concerts" and it sounds fantastic with lots of air and good bass. I don't know if it is "audiophile" but it is certainly one of the better sounding live rock cd's I own. If they have this version on vinyl I bet it also sounds good.
I never get tired of hearing this concert. The brothers play loose and tight simultaneously if you know what I mean. To me , it has alot of the same feel as "Kind of Blue" which I understand was very influntial to Duane.