I have to disagree that the AFC E just got more difficult. There's a huge difference between the situations that Belechek and Saban are now in. First, Belecheck has a GM who is good. Saban is going to be his own GM. This is a huge mistake, and it's too much for a coach to handle. It's NEVER worked out. I was worried about Saban being coach of Miami until I heard this. Miami will be the doormat of the AFC E for the next few years.
Even if Saban is a good coach, we only play them 2X a year, and any team that can beat our other competitors is huge. The Bills suffer because every other team beats Miami, unless it's a fluke. Imagine if the Jets lost to Miami once! WE'd be in!
Thirdly, Saban hasn't done jack in the NFL. He hasn't managed a draft, and dealing with multimillionaire players is different than dealing with college kids. Just ask Spurrier, Butch Davis, or Dennis Erickson.
I'm not worried about Saban just because Belecheck thinks he's good. Screw Belecheck, and screw Saban.