TRADE HELP: OFFERED McNABB for....?

I Need QB Help (I HAVE Delhomme and Garcia} My RB are Gore, C.Johnson,,Turner and Forte.. Offered McNabb for Forte or Turner ...Help .. Yay or Nay and which one ... Or do I just try for Casell . or Thigoen off Waivers and play match ups each week? ( I need to average 15-19 pts from my QB with the team I have)