How NHL Free Agency Has Affected The Atlantic Division

May 3, 2014; Boston, MA, USA; Montreal Canadiens right wing Brian Gionta (21) talks with defenseman Josh Gorges (26) during the second period against the Boston Bruins in game two of the second round of the 2014 Stanley Cup Playoffs at TD Banknorth Garden. Mandatory Credit: Bob DeChiara-USA TODAY Sports

What a frenzy it was.  A day after the opening of the NHL Free Agency period and there have been wholesale changes with a lot of big signings and player movement.

How has the balance of power changed in the Atlantic Division, and how will that affect the Ottawa Senators in their quest to get back to the postseason?

Here is a team by team breakdown of the moves so far: