I arrived from work to find my copy of Panther. Needless to say, I ended up not doing a backup this weekend, so I'm waiting while my iBook pours 7GB of files into my iPod (most of which are replicated elsewhere anyway, but it pays to be thorough in these things).
All things considered, I'm going to reinstall it from scratch - parts of the configuration were getting crufty anyway, and I prefer to have a baseline reference.