Some sources for evaluating web sites
A short list here can't hurt, either because the information on these sites may actually be useful to someone, or because through reading these sites we learn that we've got to teach ourselves.
Evaluating
Internet Resource Sources
Online Instructional
Resource Evaluation Guidelines
A
Student's Guide to Research with the WWW
Thinking
Critically about World Wide Web Resources
And in a class of it's own is an article by Jamie McKenzie