My Firefox: best extension ever

Here my previous setting to speed up firefox. Today I'm listing all my favourite extension:
- Gmail Notifier : Gmail e-mail inbox notify
- Adblock : ad block
- Del.icio.us : On-line bookmark
- Fasterfox : Speed up firefox
- FoXpose : View all browser windows
- Tab X : Put close button on tab
- DownThemAll : Download manager
- Greasemonkey : Script manager. Script installed : Yahoo! Currency Converter, Gmail Preview, Gmail Color
- Performancing : Blog editor -- best than wbloggar I think...