Wayne, welcome. The lack of direct replies to your question isn't because of a lack of interest, but simply because of no reliable information being available. Very few have heard the Bostons and almost certainly nobody has compared them with Axioms at the same place, at the same time, with the same material, etc. Any other comparison would be of little value.
You should check the audition thread to see if there's someone in your area who could give you a listen to their Axioms. If not, consider doing what most of us have done and order an appropriate Axiom model to try. In your described circumstance the M22s(which I've enjoyed for five years now)should suit you well.
