A weekly examination of the 49ers' ESPN.com Power Ranking:Preseason: 3 | Last Week: 4 | ESPN.com Power Ranking since 2002The San Francisco 49ers head into the playoffs as the No. 4 ranked team in ESPN.com's Power Rankings.I'm sure the 49ers would take that at the start of the season. They dropped just one spot from the preseason. That's solid consistency.It probably doesn't thrill the 49ers that they will likely have to beat two of the teams ahead of them on the road to a return to the Super Bowl: No.