Web Designers Make Buttons

The money has gone out of the web design business these days. Save yourselves the trouble ;-)
http://www.buttonator.com/
http://www.cleancss.com/
http://www.fonttester.com/

Or, if you have the time:
http://www.crestock.com/blog/design/top-50-blog-posts-on-usability-web-design-development-resources-cheat-sheets-of-2008-164.aspx