Love Mad Men, and Don Draper is indeed in the pantheon of film and TC characters. One of my all-time favorite shows. However, my one (very soft) critique of Mad Men is that many of the other characters are underdeveloped and often seem to be there just to fill space (or, in some instances, cardboard cutouts of well-used stereotypes). Yes, you need to have characters like that in any series. But I guess in Mad Men Don Draper often took up too much of the air in the room.
But again, it's still one of the best TV shows ever. I absolutely loved how hard they tried to portray the time periods realistically, and I was always amused when they did something that seems crazy by today's standards but that I remember from my own youth.
For example, the scene where they're eating KFC in a park, and they just leave their trash on the ground with Don even chucking an empty can into the woods. Or, things like the Kodak Carousel slide projector. Anyone under the age of 40 would think it absolutely bizarre to invite your friends over for a Saturday night cookout then, after dinner, turn down the lights and have a slide show of your recent vacation.
I think they also had a scene where someone came to the Draper's house and Sally gave them a tour. Anyone old enough to remember doing that whenever someone new came to your home? About 10 years ago we went to a friend's house for a cookout and the dad asked their 10 year old son to give us a tour of their house. Ordinary suburban, middle class house - nice, but just a normal, run-of-the-mill home. I think it had been 40 years since I experienced the home tour, but it was very nostalgic to me.