Which 2 RBs to play week 8?

I am in a tough situation but a good one to be in. i have a very strong group of RBs but can't decide who to start in week 8. i can start 2 and i have thomas jones, lendale white, marion barber, and willis mcgahee. barber has been incredible for me all year, but many are saying this is the week to start white, mcgahee, and jones. help me please! thanks guys!