Dark Atheist

What good is a browser unless you can tweak it, hack it and bend it to your will? No good at all. The more you can hack it, the better it is. And that means that Firefox must be a great browser. It's infinitely customizable, via editing a text file called userChrome.css, making changes via a command called about:config, and using free add-ons to extend the features of the browser.
In this article, with those techniques and others, I'll show you 15 great Firefox tricks, including how to build your own Firefox search engine, how to speed up your browsing, how to hack the interface and plenty more. So launch your favorite browser, and get ready for some great tricks

for full list see source

Source
http://www.computerworld.com/action/...icleId=9052321

Erbmaster

Nice find Carpo

Anyone dabbling with Firefox customisation might also wanna have a peak at
Grandmaster's OSNN Firefox Optimization Guide
Definitely worth a read

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