This week's book giveaway is in the Testing forum. We're giving away four copies of The Way of the Web Tester: A Beginner's Guide to Automating Tests and have Jonathan Rasmusson on-line! See this thread for details.
I stumbled upon this site a while back and found it pretty useful. I am even using it on one of my projects. Its pretty cool and to the point. It lets you create a CSS tab menu and dynamically creates the code for the CSS which you can download and use