NEX-7 vs M9 Part Deux

Background
Here we are again, for better or worse. When I published mySony NEX-7 Rolling ReviewI wrote a section in which Icompared the NEX-7 to the M9in terms of resolution, andonly resolution. Since I own both (or at least I will when my own NEX-7 arrives, and I return the test sample) I was curious to see how the sensors compared in terms of resolution.
My methodology upset some people, because I used the same lens on both cameras, and ressed the NEX-7's 24 Megapixel files down to the 18 MP of the M9, simultaneously cropping the M9 frame to the same field of view as the NEX-7. Needless to say, this twisted a few panties. I found the test to be meaningful, and so did a number of knowledgeable folks in the industry that I ran it by, but some people didn't get it, and some strongly disagreed with it. Fair enough.
I understand the counter-arguments, and after some lengthy debate on this site's forums (where everyone was very civil), we've moved on. But, several people wrote and asked ...