1 in 10 internet users now use firefox. what extensions does everyone use?

some of mine are (and i recommend all of them)

web developer 1.0 - a must have
search status 1.14 - nice to have
tabbed browser preferences
colourzilla ... nice but not 100% accurate

i know there are many more so, what you got? i'm alwasy wnating to try new ones

web developer
google toolbar
colorzilla
lorem ipsum
sage
plain text to link
Xinha Here!

Nevermind...I found it...that's pretty neat...I will get it for myself!

Here is my short list...

Firefox Web Developer Tools
ColorZilla: Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies.
SearchStatus: Display the Google PageRank and Alexa ranking with search-related tools.
ShowIP: Show the IP address of the current page in the status bar.
Web Developer: Adds a menu and a toolbar with various web developer tools.

Firefox Web Enhancements
Adblock Plus:   Filters ads from web-pages. Now with whitelisting and synchronization.
Adblock Filterset.G Updater: Synchronizes Adblock with Filterset.G
CustomizeGoogle: Enhance Google search results and remove ads and spam.
Fasterfox: Performance and network tweaks for Firefox.
FlashGot:   Enables single and massive ("all" and "selection") downloads using the most popular download managers.
Google Toolbar:   Take the power of Google with you anywhere on the Web.
IE View: Open pages in IE via Firefox menus.
Mouse Gestures:   Allows you to execute common commands using mouse gestures.

Some others not mentioned

Aadvark. - Has quick block level outlining and div naming on mouseover also print cleanup tools. I find I'm using it instead of Webdeveloper for quick div name lookup.

Add Bookmark Here - Much easier way to add bookmarks

Adblock - I don't see the same pages you do, and that's good

Amazing Media Browser - quickly see and download all media files