If you havent registered for the Planet Patchwork email updates and you like mystery projects, register here
http://planetpatchwork.com/update.htm They will email you requirements in December and it is completed new years day in one day. They post updates every hour on the hour.
Last year I got up at 3am Sydney time to start it, most people started at 9am or 10am. I got most of the blocks done on the day - but got tired from lack of sleep - there is a thread in the MAIN about this mystery project and it was a lot of fun.