Praise be to Hugh (and Ron).
Just finished my Aksonics, and they really are wonderful. The depth and imagery is fantastic, as is the high end: I've been entranced by the subtleties on cymbals, as well as upper harmonics on piano and guitar, that I hadn't heard before. The mids and lows are great, though everything is still breaking in, so I suspect their character may change. My main concern with low bass extension turned out to be a non-issue, as they reproduce lower register piano chords and acoustic bass notes quite well. In all, highly recommended!
Anyone else have any experiences with tweaking the back panel/port size?