After I got over the "ooookaaaaay..." reaction, I thought that this really explains the outfits I've seen him wear in past public appearances. I then thought that Kirk's space-pimpage has a pretty strong effect of people, no matter what their gender.
aldo, I don't see that as being homophobic. It's certainly not a sign of any hatred of the person; I think it's more of a natural human reaction. Most people probably like a particular actor because they see their own character as being like that of one of the roles they've played; in this case, someone who's a George Takei fan probably sees him as being a lot like Sulu. Finding out that the real person is very different than the way you've always thought of them can be a shock. I know that, when I first heard the news, a part of me had a similar reaction to vyper's; a part of me was a little bit disappointed that it was someone who I was a fan of, and another part of me wondered why he felt the need to share this with the world. I still have a huge amount of respect for George Takei, both as an actor and as a human being; I just don't agree with his personal lifestyle choice. If you think that makes me homophobic, then so be it, but that's not the way I see myself. At least in my mind, it's very possible to separate the lifestyle that someone leads from who they are as a person.
