The Celluon CL800 Laserkey. ‘The world first Bluetooth interfaced projection keyboard’ (it says here).
Bluetooth Interface Projects a keyboard on any flat surface portable and fast – a perfect solution for PDAs, cell phones, smart phones, web-pads and tablet PC Saves space for desktop PC users
Or you could buy a flexible keyboard (I have one for my SFF PC and it`s brilliant) like this one:
http://www.scan.co.uk/Products/ProductInfo.asp?WebProductID=46007
Hmm, looks nice Storm. But does it clack? I need clack. :-) Not that the virtual ones clack either.