Power is a fleeting quality, especially in the NFL.
One week, you are a contender. The next, you're fading down in the playoff race (just ask the Bills). Teams can also go in the reverse direction (just ask the Broncos).
Only one team has been dominant all season and is aiming for perfection. The rest are trying to finish the season on a high note which will either give postseason contenders a shot at the Super Bowl or give the lowly clubs reason to be excited for 2012.
Here is how each of the 32 franchises rank, along with the record that they'll finish the year with in parentheses.