Also, I think the AFC troika of Pats/Colts/Steelers this decade is reminisent of the NFC Cowboys/Niners/Packers rivalries of the 90's.
After doing a little research, these three AFC teams have been, far and away, the best three teams in the NFL this decade.
The Colts have the best regular season record this decade (109-43) (entering this weekend's games), followed closely by the Pats (108-44). The Steelers are the only other NFL team with at least 100 regular season wins (100-51-1).
The Pats have the best postseason record (14-3), the Steelers are next (10-4). The Colts are 7-7.
BTW, the best NFC team this decade:the Philadelphia Eagles.
The Eagles have a 97-54-1 regular season record,and a 10-7 postseason mark.