I think many of you guys are forgetting something in your tails of the Chargers in the playoffs.
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Not to mention, that same game that LT could hardly run because he was badly hurt from the week prior.
Many things come into play in winning a Super Bowl, and quite frankly, luck plays a HUGE part in it. The Patriots have been one of the luckiest teams I've seen to date, in large part due to injuries and calls that always seem to go their way. That's not taking anything away from their coaching, but you have to have luck on your side.
Also, remember, the team that wins the Super Bowl (and NCAA basketball championship) is usually not the best team in the NFL.