Jesse Ruderman has started The Burning Edge, a blog that helps Mozilla Firebird users "decide which nightlies to use". Finally a convenient way to find out what's in those nightly builds.

I was so glad to see this, that I got the most recent nightly immediately:

New feature: Style Switcher in status bar on pages with alternate stylesheets

Screenshot of the Style Switcher in action:

alternate-styles.jpg

Discussion on the alternate stylesheet switcher in MozillaZine.