The latest Firefox 3.6 Beta 1 nightlies now feature a new about:support page that lists important information about your Firefox installation that will help support people help with problems you may have in the future. Implemented as one of the private about: pages. Enter about:support in the location bar, hit Enter, and you will get

http://feedproxy.google.com/~r/MozillaLinks/~3/5f5mHWk9WpI/