Links
www.csszengarden.com
A website that demonstrates the usefulness of CSS. It's also a helpful for an uninspired web designer.
www.w3c.org
The World Wide Web Consortium (W3C) develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential.
www.useit.com
Jakob Nielsen's website. Nielsen is a writer, speaker, and consultant on software and web-design usability. Nielsen is generally regarded as the leading authority on usability.