Microsoft "Universal" Logo means it works on GNU/Linux !
The secret is out ! The M$ "Universal" Logo (a yin yang copied/stolen from Apple ?) on the Microsoft 2000 USB Wireless Keyboard and Mouse means it doesn't need drivers and therefore will work with your BIOS and if you are running GNU/Linux or Apple Mac OS-X !
Microsoft Universal Keyboard and Mouse working with CentOS
It would have been nice if they had just written GNU/Linux compatible on the outside of the box !
Why can't all USB hardware be this easy ? And who was the genius who put the CapsLock and NumLock LEDs on the transmitter to save battery power in the keyboard !
If your local Tesco's has sold out of the £20 version Amazon are still selling them for £35
http://www.amazon.co.uk/Microsoft-Wireless-Optical-Desktop-2000/dp/B000GPPOI2/ref=cm_ciu_add_glance
PS I've just noticed it thinks my UK keyboard has a US layout - I'll have to try and fix that !