It's been a long wait, but judging by the initial comments
on Mixnmojo's site, it's been worth it.
A Vampyre Story is available now for digital download from Gamer's Gate
. Amazon is claiming it will be in stock Nov 25 (I've had mine on pre-order for a month now).
Edit: Youtube video of the Demo ... http://www.youtube.com/watch?v=sr4-CS80cwE