Ok,
I decided to hold off on the rpg and just play around again with the blog. Despite the name, she's much more of a cross between the bionic woman, ultraviolet and the bride of Frankenstein, but vampires seem fairly convenient as a means for providing endless guilt free fist fodder for her.
It may be a bit tame for some of the hardcore supergirl fetishists here (not to mention twisted by my own bizarre need to try to get into her skull), but if anyone's interested, here's the link:
danathevampireslayer.blogspot.com/