I'm going with the Rams.
The Cardinals had a mediocre year last year and were in the playoff race for quite a while. So it wouldn't surprise me to see them have a 10 win season or so (if they can get their QB situation figured out.)
The Browns are my favorite AFC team, and they had a 10-6 season..which again is not great, but respectable. So it wouldn't be a suprise if they go a long way this year too.
The Dolphins aren't slated to do much, and i don't think they will. Henne will be a respectable QB...but not franchise material. Their running game should be good as well, but their lines are atrocious. I am willing to bet they will 5-6 games. Not really a suprise either.
Hahaha no one voted for the Raiders..maybe that's cause people have voted for the raiders for the past 5 years and nothing has come of it. I think they'll have a .500 season. Nothing great, but nothing atrocious.
The Falcons i see as another canidate for the suprise team...but i just think they have lost too much talent and too much faith in their team. A couple years ago this was a playoff team and Michael Vick was ontop of his game..now, they're starting a rookie QB.
The Jets...suck. I hardly ever see anything good coming out of the Jets organization. I could be wrong, but i think 2006 was just a feel good year for them. Chad Pennington was an okay quarterback..but not good. Now with all the distractions..it's gonna be hard for them to take the next step and become a contender.
The Rams however, really haven't lost much in the off-season. They did lose Isaac Bruce and Brandon Chillar to Free Agency, and Torry Holt keeps bringing up how he wants to leave after his tenure there...but he's a true team player, not a distraction. They have both a franchise back in Steven Jackson and a franchise QB in Marc Bulger. If both can stay healthy, with a healthy team surrounding them...this should be the comeback team of the year!