The only problem I have with that is that they'd probably edit it.

ex:
Kaname is Yuki's BROTHER? We can't have this! American teens can't love their siblings! What were the Japanese thinking?!?

... not that I don't in a way agree with them, but censoring is evil.

well there vampires, and its not uncommon for a pure blood to marry a member of his or her family

You don't have to defend it against me. I wouldn't edit Kaname, or anything else.

But there are those who would. One word: 4Kids.

editing it would just piss me and thousands of other vk and vkg fans off

Oh yes. It would. I think that if the right people got the rights, it could go well, but it can go badly very easily.