The material is great; I'll be looking for more. Very educational.
However, those monks that access the 'Net from behind a firewall that filters out "inappropriate content" may not be able to get to Lesson 2. For example, the company I work for uses something from WebSense, which catgorizes the site containing Lesson 2 as a "Hacking" site and prevents access.
(Would really like to rant about it, but what's the use?) The solution is easy: read it from home.
Also, you may wish to consider doing some print tests during your Browser compatibility verifications. I've seen problems with both NS and IE when printing CSS-based pages that can be correctly viewed.
Hope this helps...-- footpad