For those of you curious I'm currently putting together QRH's for my current job and having never really written a proper checklist before I did some research and found a great article on Checklist Design and Use as applied directly to Aviation.
http://ti.arc.nasa.gov/m/profile/ade...Checklists.pdf
Its a bit of a long read but quite interesting and really delves into the Human Factors that relate to what makes good and bad checklists.