I only write Harry Potter fanfics and I only read Harry Potter fanfics. A lot of my own works have characters based on either myself or someone I know (usually a close friend). I also usually try to throw in a New Zealand/Greek theme to my works somehow, as I am from New Zealand, and I'm obsessed with the Greek culture.
My favourite Harry Potter characters are Severus Snape, Sirius Black, and Harry Potter (of course). Some people may think I'm strange for liking Snape, and then Sirius and Harry. Well, I can relate to all of them, so I understand them better, therefore liking them above all other characters.
If you have a story you think I would enjoy (i.e. based on Snape, Sirius or Harry), please feel free to e-mail me the URL, and I'll probably go check it out.