1) http://psychology.about.com/ is extremely resources for discussion
and topics, latest research and an introduction to basics in psychology

2) http://www.simplypsychology.org/ it is a complete guide for a psychologist, psychology enthusiasts and teachers, with flow charts, simple language and easy to understand concepts.

3) http://www.thinkib.net/psychology/ Have used the site to find out research especially in the case of abnormal psychology.