I've read a few books about the subject. One of my favorites is Designing The Obvious by Robert Hoekman Jr: http://www.amazon.com/Designing-Obvious-Common-Appro

I've read a few books about the subject. One of my favorites is Designing The Obvious by Robert Hoekman Jr: http://www.amazon.com/Designing-Obvious-Common-Approach-Application/dp/032145345X http://www.amazon.com/Designing-Obvious-Common-Approach-Appl... It has a pretty good signal/noise ratio.