Greek Computer Keyboard

For those of you who know how to setp up your PC to use ohter character keyboard layouts (such that you can switch between typing using the normal alphabet and a greek one), here is a usefull site that sells transparent stickers that go over the keys on your existing keypad so you know where all the greek characters are located:

http://www.latkey.com/keyboard_stickers.asp?SubCat=9

I have them on my keyboard and they are invaluable.