Oh, yes! If you’re using Firefox and like to use keyboard shortcuts, this is a great add-on:

Mouseless Browsing :: Firefox Add-ons

Mouseless Browsing (MLB) enables you to browse the web entirely with the keyboard. The basic principle is to add small boxes with unique ids behind every link and/or form element. You just have to type in the id and press enter (there is also an automatice mode available) to trigger the corresponding action i.e. following a link, pressing a button or selecting a textfield…

Update: Turns out it wasn´t so great after all. It completely messed up my Google Reader page, and I spend the better part of my day on it, so I had to disable this add-on pretty quickly.