Howdy.
An update: The vast majority of the stuff on the site has been salvaged. No galleries were lost, but some are missing names which I guessed at. I'll explain later. No items were lost (as far as I can tell) but some may be missing item titles. That was pretty much the worst of it. Everything else was restored through a somewhat labor-intensive manual process. :/
If that didn't make any sense, just watch the movie "Be Kind Rewind". That's basically what my weekend was. (Not that extreme, there were maybe 20 galleries missing names and a few dozen forum threads.)
http://www.youtube.com/watch?v=J7C8nHAAs70
There was a small series of leaks throughout the site which have been amended which allowed a browser exploit to be uploaded to the site. It was running since 6 AM that day and caught shortly after when the site was promptly shut down for a good scrubbing. Sorry about that. I know that it sucks, but the good news is that it wasn't anything particularly sophisticated. If you've patched your computer any time in the last year and/or you're running an antivirus that's even remotely modern, you'll be fine.
Been working on this for most of the weekend. Happy Easter! (Non-observants: Happy Egg-Laying Rabbit Appreciation Day!) Once I test out my fixes, I'll turn the site back on. Thanks for your patience!