Usability for Nerds/Recommended web sites

Special Interest Group on Computer Human Interaction.
 * This organization has chapters in many countries. Their website has an extensive bibliography and many links to various resources.

Web Content Accessibility guidelines.
 * Technical recommendations for handicap-friendly web design from the official World Wide Web consortium.

Usability.net.
 * Lists of organizations and other resources.

Jacob Nielsen
 * Home page of a web design guru.

www.baddesigns.com.
 * Learn from others' mistakes - and get a good laugh! A wonderful collection of simple things that are difficult to use.

Interface Hall of shame.
 * Examples of bad designs of software interfaces.