Here is a a few links that we find useful to our daily operations and our fellow designers:

{ World Wide Web Consortium } - The central repository of Internet standards
{ HTML Validation Service } - We always validate our HTML code through this great resource
{ Web Developer Channel } - Great resource for developers
{ The JavaScript source } - Great Resource for JavaScript archives
{ Browser Watch } - All you need to know about browsers
{ Venture Wire } - Get a pulse of the DotCom Craze
{ Flash Planet } - All you need to know about Flash and cool tutorials/scripts
{ HTML Guru } - That guy does some pretty cool DHTML stuff. Downloads available