your favorite obscure Firefox extensions?
boundlessdreamz: Favourite: PDF plugin for Mac OS X. This uses the mac's native pdf rendered and makes viewing pdf's a joy rather than a pain. http://code.google.com/p/firefox-mac-pdf/Shameless plug: If you are a google docs user you might want to look gdocsbar [http://www.gdocsbar.com]. an update with some more features like download, is on the works and will be released shortly.