A list of Firefox extensions that I use:

• Web Developer
• DOM Inspector
• Flashblock
• View Source Chart
• All-In-One Gestures
• Download Manager Tweak
• Enhanced History Manager
• Translate
• XPath Checker
• Adblock
• Adblock Filterset.G Updater
• showimage (I browse with images off at work)
• Autohide (IE style full screen browsing F11)

Dave's extensions.