Eriks Psychology Links - A link directory much like this one, only more specific categories. Health Finder - Search engine which probably covers every possible area of health. Search for people in US mental health. Not fully developed when I visited. OPAL - Online Psychology Article Listing with search.
Articles embraces most areas of psychology.
PsychArticle Search - Search through articles published by several publishers. PsychREF - Directory of Psychology resources on the net. PsychwatchCom - Huge directory with their own search engine. It's all lighter and easier, significantly adding to the site usability. Psyphile - A guide to finding quality psychology information on the web, but a relatively small site.