If I'm on the Internet, I have this website in a tab. I go for the insane links to the more interesting aspects of the web, but I stay for the wonderful forum behind the scenes.
A wonderful marketing/gaming company doing some really groundbreaking stuff with alternative interactions with media, especially the web.
Simple yet rich site on the trends of the interactive design world.
Hundreds of free fonts. You aren't allowed to be a graphic designer without this site in your bookmarks.
A global listing of thousands of different web design firms. Very useful for job seekers.
A collection of links to beautiful PS brushes. I recommend the foliage brushes.
A short and sweet article on beginning CSS from designer Cameron Moll. I recommend looking at the rest of his site as well.
A huge list of free resources teaching you almost anything you want to know. Never stop learning.
An independent site all about developing with Mozilla.
The site for everything motion graphic or broadcast design related. Some really beautiful work is featured daily.