Mark,
I am guessing that as a fellow architect, you go through the process for 3-5 generalized (and hopefully representative) groups during design? Consider playing distance, carry and layup distances, typical dispersion patterns, etc.?
I suspect that in the world of lists, at a minimum, some adaptation of the USGA course rating and SLOPE system may be adapted by some magazine, i.e., ratings for the best and the rest. And maybe, even take a lead from designers and use those same 4-5 groups typically designated by tees and course yardages.
I think that might be the best, but I don't know if its practical. Someone is sure to try. And, the other advantage of five separate ratings, would be the chance for more courses to advertise in that mag that they get a 5 Star rating in the "Super Senior Men" category.......Every course gets a trophy!