"Want to take full keyboard control of Firefox? Tired of having
to mouse around the Web? Firefox has a good set of shortcuts by
default, but if you want to go completely keyboard-driven, take a
look at Vim-inspired extension Vimperator.
"Vimperator is an amazingly complete add-on for Firefox that
gives you access to almost all of Firefox's features from the
keyboard. It takes its inspiration from the popular vi-clone Vim,
so many of the keybindings will already be familiar to you if
you're a Vim user. Even if not, Vimperator provides a great way to
ditch the mouse and control Firefox from the keyboard.
"The Vimperator extension is available from the Mozilla Add-ons
for Firefox site. It should work with current releases of Firefox,
the current 2.2 release of Vimperator works with Firefox 3.5