Submit Your GUI Resource Site

Flash 99% Good
This site is a resource for Flash developers who want to make their Flash sites more usable. The main objective of this site is to demonstrate how design and usability can co-exist in the same space.

Yale C/AIM Web Style Guide
A well written and thorough treatise on solid web design principles, good user interface and site organization.

Webword Usability Site
John Rhodes heads up this site's in-depth look at usability and interface issues.

Jakob Nielsen's UseIt.com
Recognized as the net's foremost usability cop, Jakob is a little austere at times IMHO, but he makes solid points that definitely deserve strong consideration.

Jakob Nielsen's Top 10 Design Mistakes
Again, from Mr. N, a good 10 rules to follow for optimizing usability and accessability to your site.

Web Pages That Suck
Vincent Flanders' really fun look at bad web design and how to avoid it.

Usable Web
Huge guide to web usability resources. "The ultimate comprehensive collection of useful links."