(Update: the spam filter does seem to be picky, so please do let us know if your comments don't come through. Unless you're a spammer, I mean.) We were temporarily down, after apparently being hacked into. Currently trying to upgrade to fix things. Patience!
We've finally upgraded to the latest version of WordPress. This should mean, among other things, that we can retrieve comments that were mistakenly deleted by an overzealous spam filter. Let us know if anything seems to not work.