I have a very simplified formula for my power rankings.
It is based on a team's ranking on offense and defense in passer rating and averaging them. In a moment you will see why I like this stat so much. I believe is shows who can drive the ball and on whom it is difficult to drive the ball. Basing a power ranking on wins and losses only looks at a team's schedule.
1) Packers (4-3) tie You know they should be 6-1
1) Falcons (6-0) tie You know the Raiders should have won their game
3) 49'ers (5-2)
4) Texans (6-1)
5) Broncos (3-3)
6) Giants (5-2)
7) Steelers (3-4)
8) Redskins (3-4)
9) Bears (5-1) tie
9) Cardinals (4-3) tie Likely to drop with Kolb out
11) Ravens (5-2)
12) Seahawks (4-3) tie You know
12) Buccaneers (2-4) tie Tough division
14) viklings (5-2) Lucky wins against Jaguars, Lions, and Cardinals
15) Eagles (3-3)
16) Rams (3-4)
17) Patriots (4-3) A little defense would bump them up significantly
18) Cowboys (3-3) tie
18) Dolphins (3-3) tie
20) Jets (3-4)
21) Saints (2-4) tie
21) Bengals (3-4) tie
23) Chargers (3-3)
24) Lions (2-4)
25) Bills (3-4) tie
25) Jaguars (1-5) tie
27) Raiders (2-4) Sorry Raider Pride, the numbers are what they are
28) Panthers (1-5)
29) Browns (1-6)
30) Titans (3-4) Will move up now with the veteran QB playing
31) Colts (3-3)
32) Chiefs (1-5)
As usual with these things, the middle third of the Bell Curve are all relatively close.