Bruce, this is one of those problems easily solved by time and/or money.

What makes you think a $500 pair of floorstanders is going to sound better than the $440 M22?

Since you admit liking the Axiom sound, your only real option is a pair of M60's. Go for the Factory Outlet. If you do anything less, you'll always wonder and/or kick yourself.

Call Axiom and see about an upgrade, or Ebay the M22's with a high reserve.

bibere usque ad hilaritatem