That's my favorite as well, Toby but I've found some good ones out there by googling them. Could I tell you where I got them? No - I download and forget.
Trax - there aren't a lot of good adult wordpress themes out there but there is a guy that does some great work and charges almost nothing.
I haven't had work done by him yet but quite a few people I know have and he gets nothing but good words said about him!
Hmmm - his site appears to be down at the moment. I know he was having server problems but his email is pronodesign at gmail.com
Good luck!