Human-Computer Interaction Resource Network
CHIplace
http://www.chiplace.org/
An online discussion forum on Human-Computer Interaction (CHI) issues.
UsabilityNews.com
http://www.usabilitynews.com/
UsabilityNews.com is being maintained by the British HCI Group.
Usability.gov
Your resource for designing usable, useful and accessible Web sites and user interfaces
http://usability.gov/
Usability.gov is maintained by the US National Cancer Institute.
UsabilityNet
Your network resource for professional usability
http://www.usabilitynet.org/
Provides usability information and resources.