Here is how I see today's stage going
Garmin and HTC driving the group after this group goes away - unless the time gets too far out then 4 teams will take over with a rider each.
Txurruka
Arroyo
Gerrans
Pineau
Roy
Moncoutie
Voeckler
Brutt
Hoogerland
and the 4 teams
BMC
Lepoard
Saxo
Liquigas-Cannondale
Why after the mayhem of the last few days they will want to keep control of things and a rider each will not burn them, maybe Rabo will help as well.
I think that BMC want this stage and will drive the group if no one will help out.
With Phil wanting green and VDB2 the quite achiever so far OPL with all the arguments etc are set up well for a good results tour - if they still talk to each other after is a different story.