Too Many RB's To Pick From!!! Help Me Pick 3 out of 6!?!?

[bostonsoxandy]

Performed these moves off the WW yesterday:
Drop Justin Forsett Add Brandon Jackson
Drop Cardinals D/ST Add Mark Clayton

So here's my current team in the 10-team league:
QB Philip Rivers
RB Frank Gore
RB Ryan Matthews
RB/WR Arian Foster
WR Reggie Wayne
WR Brandon Marshall
WR Mark Clayton
TE Vernon Davis

BE Percy Harvin
BE Mike Williams (SEA)
BE Jay Cutler
BE Beanie Wells
BE Brandon Jackson
BE Matt Forte
BE Vincent Jackson

Im planning on dropping VJax either this week or next week by the way...
but my question is:

Pick 3 of these in my 1 point per reception league: Frank Gore, Matthews, Foster, Wells, Brandon Jackson, or Forte
Right now I'm thinking Gore is a lock to start, Matthews didn't look good in Week 1 so I'm leaning towards going Gore-Foster-Brandon Jackson or Forte...

so my real question i guess is:
Brandon Jackson or Matt Forte? PPR League remember