What I've learned here is that in limited keeper you want to keep the best possible and Crosby definetly fits that mold.
If you can post positional requirements, league type(H2H, Roto), and skater/goalie catagories. It may help influence who you should keep pending that information.
20 Team H2H Dynasty Yahoo!
G,A,+/-,PIM,PPP,Hit,BLK,SOG,W,GAA,SV%,SHO
C: Thornton, Henrique, Grabovski, S. Koivu, Powe
LW: Ovechkin, Clowe, Booth, Hudler, S. Kostitsyn, Bailey, Tanguay
RW: Doan, Ryder, Fehr
D:Tyutin, Visnovsky, Salo, Klesla, Gleason, Allen, Campbell, Clitsome, Greene
G: Lundqvist, Roloson
C x3, LW x3, RW x3, F x2, D x6, G x1, BN x7