Several of these in an Oxford branch yesterday, apparently down from an original price of around £25. Couldn't find them on the Homebase site, but here's a link to Commtel's product page:http://www.commteluk.com/catalogue/computing/voip-telephones/lcd-usb-internet-phone-voip
"Connect to your laptop / PC and make and receive telephone calls via your broadband connection. Free calls to other VoiP users anytime and anywhere. Low cost calls to any landline or mobile phone anywhere in the world. Helps reduce monthly bills. Portable slimline design LCD screen. Compliant with and approved by Skype. Echo reduction technology. Installation CD. Includes USB connection."