I'm guessing Supernatural Entity covers changelings, since they're half-human/half-fae, so that's what I ended up choosing. Starting out, they're barely more than normal humans, but some have perks. Plus, I like the whole having-to-choose aspect of their life, whether to follow their fae heritage or stay human.
Heh, even in a Dresden game I wouldn't play a magic user. I don't know why, but I've never been fond of playing magic-using characters, even when I was in a WoD Mage game (I played a Hermetic and RARELY used magic). I'm play a shugenja in a Legend of the Five Rings game, but that was just so I could expand beyond the straight forward type I usually play in L5R. Though, my shugenja does have a katana and knows how to use it.
But, I'm likely to find myself in the role of GM in a Dresden game. I introduced the books to the people in my group, after all, and I've been searching for a system to use until the official game is out.