Here you go

My wife got one of these after it appeared on the Gadget Show, you just clip the reader to a pad or any peice of paper and write away. To access your notes you just plug it in via usb and either save as a .jpg or convert to text in word.

http://www.bmcdigital.co.uk/catalog/browse/zpen/daneelec-digital-zpen-light-with-1gb-memory