Yesterday I posted this screenshot to Flickr and made notes on all the extensions. It’s from my work computer and gives a pretty good idea of how I use Firefox. Go check out my comments, then come back and download the extensions for yourself.
2. Word Count
4. Filangy Toolbar (email me for an invite — nb [at] noahbrier.com)
7. Forecast Fox
10. del.icio.us (I even just noticed it works again with Firefox 1.0.3)