Approaches to Syllabus Specification
The first unit from the Aston University Masters in TESOL/TESP's Course and Syllabus Design module by J.Skelton & J.Willis.

(There's not much here. New and substantial upload in 2006)

A holistic approach to task-based course design
An excellent article by Jane Willis based on three basic principles of language learning.

Reconceptualizing A Writing Course: Adopting A Task-Based Syllabus.
Sample CSD Aston MSc assignment by Nina Blair.