Such a ticket would turn out the women and Hispanics in droves and combined with Obama campaigning also the Blacks and Asians.
I don't see how Christie would win here, because in 4 years nobody cares about Sandy anymore and his approvals will probably be around 50% again.
And let's not forget that Hillary was a divisive figure in 2008. Moreover, she's an establishment type candidate and Christie could perfectly lead a populist "anti-establishment" campaign.
