If next year is a really hilly year then I would favour Froome for the leader and Wiggins in Support. Wiggins can stay with in the climbs but it seems Froome is more than comfortable. Also, Wikipedia tells me he is 27 (damn my hopes of becoming a pro are fading fast) which means he has got a few stabs at the GC yet. I think he’ll want to stay there for what it will be worth to him in a couple of years.
Also next year will hopefully see GT back in the squad.
Higgs-Boson is most likely to leave if you want my opinion.
Hopefully we’ll see some suicidal attacks in the mountains by the top ten GC riders. Would make for an exciting race.