What to counter with?

[The305MiamiCanes]

I have been offered Jamaal Charles for Jahvid Best and Dallas Clark. Not feeling it so much but I think I can make a reasonable counter. what would you counter with?

My Team
QB- Mike Vick, Kyle Orton
RB- AP, Ray Rice, Jahvid Best, BenJarvus Green-Ellis
WR- Calvin Johnson, Hakeem Nicks, Kevin Walter, Dez Bryant, Marques Colston
TE- Dallas Clark, Zach Miller

His Team
QB- Aaron Rodgers, Donovan McNabb
RB- Michael Turner, Jamaal Charles, Reggie Bush, Marshawn Lynch
WR- Brandon Lloyd, DeSean Jackson, Crabtree, T.O.
TE- Jason Witten, Jeremy Shockey