You can break it down any way you want.
You can look at the matchups.
You can look at the X's and O's.
You can watch the likes of Trent Dilfer, Merril Hoge, and Herm Edwards break it down on ESPN.
You can listen to the RTB radio show AFC Championship Preview (recommended).
You can watch games, look at stats, or home field advantage. The number one reason why I believe the Patriots will earn a spot in the Super Bowl this season is summed up by none other than Ray Lewis and Darrell Revis right here...