well the tag titles mean nothing, The USA title is not in contention, ECW changed theres to fit Mark Henry & it looks silver & weak,The Intercontinental title is being used as a gimmic along with the womens title.
The one HHH holds should be on raw & visa versa, that big spinney belt doesnt suit HHH & really only John Cena can half pull off wearing a belt like that and Jehrico is only a stop jap holder so that his fued with Micheals can end IMO.
So with all that said it looks like the Diva's title is the best at the minute
Seriously tho it'd be HHH as I think they are trying to make smackdown the flag ship show at the moment and you can always rely on HHH to put on a good match and make the title worth fighting for.