If you were wondering why the site was down yesterday, it was due to a corrupt database. Berkeley DB spat the dummy over a locked file and threw a spanner in the MovableType works.
After a very late night of reinstalling MT, all posts are back online. Unfortunately a few comments posted over the last six weeks got eaten in the move. And reimporting the posts has meant they now have exciting new locations, which is a bit of a bugger for anyone linking to the site.
With any luck, the back end will soon be moving to a more stable MySQL database and this sort of problem won’t be happening again.