After quite an absense, the popular shell-theming support site, Litestep.net has returned.  Litestep is a free and open source replacement shell for Microsoft Windows.

From the site:

Welcome to LiteStep.net. Many months, or should we say nearly a year, ago this site was the focal point of the LiteStep community. Then we had a hard disk failure and now it's time to bring LSnet back, again.