The good news: The wiki is back online!

It's linked at the end of the forum start page, and it's also here:
http://fingerfans.dreamhosters.com/bin/viewThe bad news: I'm an idiot. It's been offline for so long, yet all it took was fixing two lines in one config file.

At some point in the past, I changed the web hosting to run under a different user, and so the hosted files got moved to that user's home path instead - and I should have edited the config file to reflect that change in path. D'oh! I just did, and now it works.
I'm heading to bed now...