but my room setup won't accomodate floor-standing Maggies (or at least do justice to 'em).

p.s. not sure if you knew it, but those 'Supernal' dipole ribbon tweeters SU adds as a mod are remnants of the old Lineaum design...which is best known for being used in some inexpensive but decent Radio Shack speakers in the 1990s (pic).