CSS Vault
This site is loaded with a list of the top class CSS sites which will inspire a designer’s creativity with CSS. It has many other great resources related to CSS. It is simply the best CSS resource site.

A List Apart
A List Apart Magazine explores the design, development, and meaning of web content, with a special focus on techniques and benefits of designing with web standards.

Good-Tutorials
Good-Tutorials is the largest Photoshop tutorial resource on the web today. It adds 10 tutorials every day! Numerous websites submits their Photoshop tutorials to be listed in this site.

Dynamic Drive
A new web technology that enables elements inside your web page to be, well, dynamic. It brings your web pages one step closer to how things look inside your television, where images appear and disappear, text flies in and out, and content move around freely inside the screen.

SitePoint
SitePoint is pre-eminent publisher of enjoyable, informative, and exciting Web development and design content. It has a variety of tutorials and articles for web designers.