I loathe Jimmie Johnson, but he's not cheating. The guy's simply a hell of a racecar driver. But, he (smartly) plays for the chase all season. He screws off and is good enoguh to make the chase, and then turns it on on his bread and butter tracks. If there was more variance as there should be, Johnson would have won a championship or 2, but not 5 in a row.