greasemonkey - probably the single most useful addon for firefox scripts i use with greasemonkey: shelter from a blizzard - removes confirmation box from leaving the wow
forums
greased lightbox - a pretty snazzy way of viewing image search results gmail in blue - clean cut upgrade to google's granny design philosophy vista-aero theme - comes close to bringing ie7's superior layout to firefox stumble upon - biggest time waster ever google toolbar - while google search isn't all that great, i'm hooked to google news
and gmail
adblock plus - because waiting on pages to load stuck on requests sent to ad
servers is pretty lame
customizegoogle - ability to add yahoo and ask search results to my google searches
makes the google toolbar worth using
download statusbar- much sleeker alternative to firefox's absolute crap looking
built in downloader colorzilla - eyedropper tool was the reason i switched to firefox back in the day piclens - another very nice image viewer, though i tend to use greased lightbox more tab effect - makes switching tabs better looking
nifty random apps:
digsby- beta, but has rapidly replaced my gmail notifier and pidgin cccp - one of the better codec packs out there logonstudio vista - a simple way to replace your logon screen in vista i8kfangui - fan control for dell notebooks wink - easily make a flash video out of screenshot captures