Don Clarks Big Dog's Bowl of Biscuits website isn't all that it seems...it contains a vast amount of interesting and educational training-related information amassed by Don himself.
A quick dip into the 'bowl' reveals an interesting article on Instructional System Design, which takes you step by step through from compiling a task inventory, task analysis, needs analysis to estimating costs. There's also a short article on working with Subject Matter Experts.
Well worth a read if you're starting to design a course from scratch for the first time, or just want a reminder, the article is at
http://www.nwlink.com/~donclark/hrd/sat2.html