An Eb is an Eb with distortion that may not be the best thing if you are learning by ear. In any event, if you had 2.5" speakers and were satisfied 60% to 70% of the time, I think you will be happy with the M2s. Let us know when you get them.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated