Integrated For Revel M20s

Go ahead and rule out the lower-powered options. The M20s need plenty of high-current power.

The 9200 seems reasonable. You may also want to look into the Classe CAP-150 for about the same money.

You may bypass Pathos and Unico and stick with your first two choices.

I'm using a Musical Fidelity A308 with some F30's and am pretty happy with it. When I had M20's I was using an audio refinement complete integrated with pretty good success. I also owned the Pathos Classic One (version 2), although not while I had the M20's. I didn't have much good to say about it though. It just didn't seem to do anything right.

I would probably try a Musical Fidelity A300 if I were you.

I would also recommend Primare A30.2.

I use to own the M20s. They certainly can take whatever you give them, however, I ran them with a YBA Integre. 50 of the best SS watts out there. They sounded (the speakers, for my taste, do best with a sub and killer stands. the Revel stands are poor and will have more of a deleterious affect on the music rather than the positive affect excellent stands will provide--sorry for this long paranthetical digression) wonderful, but my listening tastes, loudness levels, room size, were conducive to the 50 watts. They do best (hey, what doesn't) with great electronics.