I'd go with an MP-3.
You also might look into the Audio Horizons TP2.1. The impedance match should be good, and the TP2.1 is balanced, which is a must. It can be auditioned in your home with the M-60 amps.
You also might look into the Audio Horizons TP2.1. The impedance match should be good, and the TP2.1 is balanced, which is a must. It can be auditioned in your home with the M-60 amps.