Has anyone heard both of these enough to compare? I own the MS400 and am considering going over to the TMA-1. I'm looking for something that has better dynamics while retaining the forward mids and darkish signature, and hopefully making a slight improvement on the isolation. I've been reading dftk's review found here:
http://anythingbutipod.com/2010/12/aiaiai-tma-1-review/
http://anythingbutipod.com/2010/12/aiaiai-tma-1-review/