I'm happy to report that I'm starting to hear some great changes.
The tweeter has progressed quite a lot. This new tweeter is one of the big features of the M Project and we're likely to see it in future products, whether they be revisions of the Q or otherwise. It blends so seamlessly with the midrange. It did this from day one, but there was a little zing that was detectable at times. Now it's very rare to notice that at all and I suspect it will disappear altogether as the speaker continues to break in.
Up until recently I didn't like the sound of the speakers when played loud (loud for me is anything above 88db or so). It felt forced, a little congested, somewhat forward and bright. Almost like you were turning up the treble and not the bass. I experienced something similar with my S5's - the sound didn't stay linear as the volume went up, but that perception totally went away over time. Now the M's are much more robust sounding. The midrange is VERY full and beautiful. I'm now noticing that many problematic recordings that came across with some glare on the S5's (that I thought was in the recordings) sound perfectly clean and glare-free. The same thing happened when I switched from Wilson Alexias to the S5's. Every degree of distortion removal is a Good Thing.
On Thursday night I was listening to my digital server so I could go through my test playlist and played Ode To Billy Joe by Patricia Barber. This is a pretty sparse recording but I was stunned by how good it sounds. Surfing around my playlist I was thrilled with how many tracks sounded. The next morning I listened again - wondering if i would feel the same way and after about 10 minutes of sampling various tracks I stood up and shouted "YEEEAAHHH BAAAABY!!!!!". OK, I didn't
actually do that, but in my mind I did.
I do feel that I don't have what I would call 'explosive dynamics'. The presentation is incredibly clean with a beautiful sized soundstage, but there were tracks where the dynamics would blow me (and others) away on the Alexias that don't sound nearly as impressive on the M's. Wilsons are known for dynamics of course and while I don't think Magico is a slouch in any way, I don't know if this will improve over time or not - I'll have to wait and see.
Tonight Peter Ayer is coming back to listen. He heard the speakers out of the box, cold and on casters a week and a half ago (a week ago this past Tuesday but I lost a day of break-in this week). I also have another audiophile friend coming down so it will be fun to get their impressions.