I like both, but at this point in time, I'd go with Hedman. I think the buy low window on him is just starting to close (based on his 2nd half last year and somewhat on KHL performance).
Ultimate Dynasty League
16 Team Dynasty League H2H: G, A, P, PPP, SHP, +/-, PIM, SOG, W, L, GAA, SvPct, SHO
C: Stamkos, Getzlaf, Carter
LW: Ovechkin, Kovalchuk, Brown
RW: Iginla, Pavelski, Horton
D: Byfuglien, J.Johnson, Goligoski, Hedman, Hamonic
G: Schneider, Hiller,
B: E. Johnson, S.Kostitsyn, Neil, Biron, Giguere
Prospect: Nail Yakupov, Tangradi
UHL Dynasty St. Louis Blues
...a bad team trying to rebuild...