Based on the tags from this post.
IE bugs and fixes
Excellent resource of IE bugs and fixes at Big John and Holly's Position is Everything site. [...]
53 CSS Techniques You Couldn't Live Without
Excellent CSS tips resource which I suspect I will dip into now and again. [...]
Index DOT Css
Excellent CSS and HTML resource for reference: Index DOT Css. [...]
Widgipedia.com - The Ultimate Widgets Resource
Widgipedia.com looks like it could be a useful starting point if you're looking for a specific widget. Here's an article at Yahoo! Finance about Widgi [...]
ALA . a list apart!
What a great resource for people who build websites .. have a look [...]
Skills for Access
a resource dealing with issues relating to multimedia, e-learning and accessibility. [...]
Useful resource: favourite fonts from a host of webby types. [...]
Free stock photos
This could build up to being a useful resource for stock images. [...]