I'd try and trade for a WR. You have lots of RB's, need some help at wideout. See what you can get for McGahee, Benson's value isn't all that high right now. Trading either of those two wouldn't hurt your team at all since you would still have three solid RB's.
10 Team Standard League. (Record: 7-3)
QB - Cam, Palmer
WR - Welker, A. Johnson, S. Smith, P. Harvin, A. Brown
RB - Forte, Mendenhall, R. Matthews, Bush
TE - Finley
K - Kasay
DEF - NYJ