Adblock Plus — for annoyance-free web surfing It blocks all adds and make web sites load much faster.
F has some great add-on apps. I've used ABP successfully for years but another one that is very helpful is "Read It later" It allows you to quick reference pages you want to go back to later without creating a bookmark. Great for when you come across things on the fly but don't have time to read it all at that moment.
yep, been using ABP for years along with FF. I also use the following add-ons: DownThemAll - allows you to download all files from a website (such as all PDF's, .DOC's, etc.) FireFox Sync - allows all FF browsers on different PC's (linux/mac/pc) to have the same bookmarks