Quote Originally Posted by Konohamaru!
In my mind at current, I'd say Neji is the best candidate. He has the smarts, and has the ability to counter most attacks. He'd need to gain a considerable amount of chakra as he continues to grow though.
Neji is probably disqualified, being from the Hyuuga branch family and carrying the seal. He would be a hokage completely at the mercy of the main family leader (Hinata's old man at the moment). That would be somewhat strange and probably too suspicious to all the other clans and folks of Konoha.