I know the great RLangford already did a playoff scenario preview, but if you'd like a more detailed explanation, please see my article here:
DISCLAIMER: It is a Bleacher Report article, but I promise you it is much better than your standard Bleacher Report article (i.e. total unintelligible crap). If you disagree, you have my blessing to leave hateful comments - but I honestly don't think you'll disagree.
Merry Christmas and Happy Holidays to all of Raider Nation!