Realistically, it should be Kakashi. However, the series is ending within the next 100 chapters or so, so if we want to see Naruto as Hokage for longer than just a chapter or two after the main plot is over, then Naruto needs to be named quickly.
Personally, I'd like to see Naruto as Hokage *before* he fights Sasuke, but that's not likely to happen due to Naruto's sentiments that he can't be Hokage if he can't save his friend, so whatever.
Naruto's excellent at relations with other villages. He's far better than the Raikage, and also has better advisers. Everyone respects Naruto, he's the hero of the war. He's got far more going for him than anyone else at this point.
Even Minato had Sarutobi doing quite a bit of work during his time as Hokage. People still called Sarutobi "Lord Third", and he had control over Anbu.