Michelins seem to take a lot longer to warm up, prefer handling with Dunlops better, IMHO. I don't have any pictures of tire wear. I've had PR4's & 5's, no experience with PR6. I think mileage is pretty comparable between the two, since they are both dual compound. Mileage varies wildly between riders due to riding style and the type of surface you are rifing on, but I seem to get 7500 - 8500 out of a setwhy and which Michelins?
What mileage have you gotten from a pair and do you have any pictures of the tires before removal to show the wear patters?
I'm about to install my third pair of Michelin Road 6 GTs this year and have considered an alternative.