Probably one of the best CSS blogs on the web.
We like StyleGala because it regularly updated with well moderated user content that regularly proves helpful in design.
This site has probably more design related tutorials than anywhere else on the web. If you can't find it here, it probably doesn't exist.
The complete CSS guide.
Need to make a quick color palette? This is the spot to do it. Create, and share color palettes.
This guy has the coolest patterns. His patterns are all over the web.
Com Arts is a great periodical. We highly recommend it for any creative.
This is the stock photo site that we use pretty regularly when we need stock photos. This site is great because it also has a lot of other design elements (flash, icons, video) that are premade, and good quality.
Morbid name... free commercial use photos. They aren't the best in the world, but they are free and pretty regularly B grade photos.
Psd Tuts is one of Jason's favorite Photoshop Tutorial sites on the web. They have great tutorials that you just can't find anywhere else. All of their tutorials are well organized and easy to understand. Some of these effects are amazing.
Cool Home Pages has some great flash sites. It has become a huge gallery at this point, and you can surf it for hours.
Jason uses Css Mania regularly to find inspiration for sites that he builds. We also direct users to this site to help them find inspiration for their own sites.