MovableTypeTrickle: "Trickle allows automated posting of deferred Movable Type entries. To use, create a category called 'Deferred', place entries in 'Draft' status, add them to the 'Deferred' category, and set the created date to the date when the item should be posted."

This script should be very handy when I go on vacation but have a series of posts written ahead of time that I wanted posted. I'm not sufficiently organized in my blogging to be in need of such a facility yet. But one day....