This week went by too quickly, so the links are not plentiful - but they are good. You come here for the quality though and not the numbers right?

Spread Firefox - Hint at Things to Come With New Theme!
Clear Firefox Caches to Recover Memory
A first look at the Firefox 3 visual refresh for [...]

The FireBug Firefox extension would be a handy one for any Web developer to pick up and use.

FireBug lets you explore the far corners of the DOM by keyboard or mouse. All of the tools you need to poke, prod, and monitor your JavaScript, CSS, HTML and Ajax are brought together into one seamless experience, [...]