What To Do:

http://www.oit.umd.edu/units/web/usability

http://umbc7.umbc.edu/~lharris/coursemats.htm

http://www.useit/com/

http://usableweb.com/topics/000445-0-0.html

http://www.webdeveloper.com/

http://www.htmlgoodies.com/

What Not To Do:

http://www.webpagesthatsuck.com/suckframe.htm