When we were watching 30 Rock, I didn't get the joke; I mean god. He wasn't that attractive. I complained about it a few times, because I just couldn't see it. Then we started watching Mad Men. And that's the story about how I want to bang Don Draper—even when he is Jon Hamm.
For further Jon Hamm-ness and your entertainment, here's a great SNL sketch wherein Jon Hamm plays the ever so dreamy Scott Brown. It's four minutes long, but it's worth it if you also wish to bang Jon Hamm (but not Scott Brown...no way) (there are obvious sexual overtones in this video—much like in the entry I just posted—so...enjoy that):