I say make it an elimination match.
I think it should come down to Barrett, Otunga, Gabriel, Sheffield & Tarver vs Cena, Edge & Jericho (5 on 3)
Edge Spears Sheffield and pins him.... Otunga then hits a spinebuster and Gabriel 450's Edge for the Pin, leaving it 4 on 2.
Jericho then pins Gabriel. And then we get the predictable Jericho/Barrett square up.... Barrett beats Jericho, following a cheap shot from Tarver and then its Otunga, Barrett & Tarver vs Cena.... Cena makes it to Barrett, but ends up losing.
Thats how i'd play it.