AfterElton has a great list of the top ten gay, lesbian and bisexual character in science-fiction. What’s nice is it’s not just a list, but a pretty detailed look at the characters and how significant they are both to the media they’re a part of and to pop-culture in general. Buffy the Vampire Slayer, the comics of Alan Moore and Torchwood all get mentions.
AfterElton has a great list of the 
