Were there any big defensemen on Vancouver? Don't remember any heavy weights with Vigneaux over there. Seems like he likes the durable outlet passers more so than the stay at home defenders.
Given, Vigneaux will have to adapt to the Eastern Conference style of playing, which is grittier, and thus he'll need some of those players... but I wouldn't be surprised that Girardi will actually be parted ways with.
Overhaul seems a little strong. I'd look for Staal to be signed to an extension soon. Cally as well. Stralman to a shorter deal than both.
Del Zotto and Brassard should yield a nice solid player in return. 2nd line center is a need. Does Ottawa go DZ + Brass for Zibanejad?
3c is easier to find than a 2c. Hell, we have Lindberg and Miller in the AHL that could conceivably do a similar job to Brassard as 3c right now. Before everyone comes running with pitchforks at me for suggesting that Miller could do a similar job, I doubt Brassard would put many numbers besides Boyle and Pyatt as well.
MDZ + Brass for Zib. That gets you your longterm 2c.
Call up Miller to be your 3c. Youth down the middle for years. Put Cally with Hags and Miller and you have a genuine checking line. Balance.