Others have already mentioned all of those I'm most likely to reach for when I want to hear this piece: Vänskä/Lahti, Blomstedt/SFS, Segerstam/HPO, Maazel/WP, Berglund/HPO (wish he'd done this with the COE!). One I've not seen mentioned is Sakari/Iceland SO's lean but tonally rich (and in the strings as well as the predominant winds), brisk but rubato-laden rendering. I believe their disc of tone poems is still in the catalog--quite representative of their approach to the symphonies in their very good but little-known cycle.
I also have 3 Karajan recordings (one analog, 10 digital). This thread reminds me that it's been a long time since hearing any. IIRC, the DGG recording coupled with his surprisingly good late symphony recordings with the BP is pretty damned good and deserves a hearing very soon.
One thing I love very much about JS's music, and which helps keep it fresh for me, is that it responds favorably to a variety of interpretive approaches, none of which is definitively "right"--though in general I prefer less overtly dramatic readings that reveal the music through unfolding mystery rather than shoving it in my face.