Perhaps the most stable division in hockey over the last 7 or 8 years, the Atlantic Division looks primed for a big shift at the top. The Lightning are both getting older and undergoing the inevitable atrophy of an elite team under a hard-cap league. The Bruins just lost their sure fire future Hall of Fame centreman. The Panthers got better but performed worse, until the playoffs started at least. And the Leafs are running it back with a different coat of paint and new floormats. The Sabres, Redwings, and Senators are all hoping to seize the moment of uncertainty and enter the playoff race, and Les Habitants are….