Do you want to reach a broader audience or just simply make recordings available as an archive? With today's technology, it can be VERY inexpensive and easy to do.
Admittedly, I'm a keyboard person. I love the mouse, but if there is something I can accomplish with the flick of my wrist, I'm all for it.
Microsoft has programmed alot of hotkeys over the year by holding down the Windows Logo key and pressing another button. My favorite in the past has been Windows + L which locks your system.
For Windows 7 there are some very cool NEW shortcut keys. This is a partial list, but certainly ones that will impress your friends.