Catch us if you can.That's a message the Seattle Seahawks could send out to the rest of the NFC West.It is also something the San Francisco 49ers might say to the Arizona Cardinals and the St. Louis Rams. But the Cardinals and Rams might have a statement of their own: We're coming for you.By almost everyone's estimation, the NFC West is the best division in the NFL. It includes a Super Bowl champion in Seattle along with a team in San Francisco that, arguably, came up one play short of reaching its second consecutive Super Bowl.