No, the site wasn’t hacked. Stop asking. I’ve been using an old version of WordPress (1.6 IIRC) to manage content, and it looks as if it finally gave up the ghost.
To be honest, I hadn’t even moved up to 2.0 a year back. I’d stuck with the older version because the bulk of formatting and scripts for this site are handmade, and I was worried that upgrading would make a mess of things.