In reply to:

Also, keep in mind that the impedance of the M22ti dips to about 3 ohms at 4KHz, so some receivers may have a little difficulty driving them.


No receiver will have a problem driving the M22s.
Do not take the stats so literal. A single spike in the low ohms range does not make it a hard to drive speaker. A sustained ohm rating over a larger range of frequencies is required to put stress on the amplifier section.

"Those who preach the myths of audio are ignorant of truth."