I think Perry is a much better keeper than Vanek in your format (hell, in any format), so yes I'd definitely pull the trigger.
Great time to sell high on Vanek.
2013 Bay Street CBS Playoff Cash Pool - $100 buyin
12 Teams, Points Only (G/A = 1, DG = 2, W = 2, SO = 1)
The Motherpuckers (5 NYR, 2 PIT, 3 VAN)
Forwards: Neal / Iginla / Nash / Richards / Stepan / Roy / Higgins
Defense: Del Zotto / Garrison