Not trying to do any series of "using computer without mouse", but here's another very usefull tool which frees your hands even more from mouse: Launchy - The Open Source Keystroke Launcher. This little tool adds a hot key e.g. alt + space. By that you can start any application which is under Start menu or in desktop.
I have used this awesome piece of software for 4-5 years now and I just love it. It's fast to use, just alt + space and start typing. In addtion you can even open html pages with this tool, e.g. I'm using it to open an online dictionary, wikipedia... and not forgetting the xpages forum :)
