Hi Dan,
I give you an idea of what I have aboard FF: Stealther, ABP, NoScript, Cookie Extension Manager, CookieCuller, User Agent, ViewAll JS, Netcraft, finjan and siteadvisor, DrWeb's hyperlink checker plug-in, Tamper Data, Show IP and ServerSpy, Distrust to mention the really important ones, TrackMeNot,
Damian