Just needed some opinions on something-- thanks for the help in advance!

I am in scoring/performance league and I need some help with my running back position. Currently Fred Talyor is free to pickup on the waiver wire-- I was wondering would it be worth it to pick him up, drop one of my RB's and start him the rest of the season?! Here is what my current RB spots look like -- I can start two of them a week -- should I pick Fred T. up and which rb should I drop?

My RB's:
Earnest Graham
Kolby Smith (thinking about dropping him?!)
Reggie Bush (most likly out for the season?!)
Brandon Jacobs
DeShaun Foster (offense is just horrid)

The other spot that is killing me is the QB spot right McNabb is free to pickup-- should I get him and start him the rest of the season? If so who do I drop-- a RB or one of the QB's which one!? My team is struggling right now so any help would be appreciated!

Current QB's:
Jeff Garcia
Eli Manning

--non keeper league--

I'd pick up Fred and drop Foster. He's had three nice games in a row now, and MJD is struggling.

As for QB, McNabb might not hurt to have, solely based on the fact that he has a higher ppg. than the other two, though not by much. I don't think either move is make or break.

Bush is out for the year, so unless this is a keeper league you can throw him to the curb.