Textbooks

I enjoyed reading Layne Morsch's article about his experiences adopting and using the ChemWiki as the textbook for his organic courses.  I know my students would appreciate paying less for their textbook, and chemists in my department are considering taking a similar step.  In the past I have had a handful of students come to me after a few weeks in the course, admitting that they purchased the electronic version of the textbook to save money.  But then these students felt like the textbook format was hindering their progress in the course.  I wonder if Layne had any students with similar c