Duet is a dual sim phone, and is available from CellularAbroad with a
prepaid sim that includes a UK based number, with free incoming calls in
over 99 countries. It also has an analogue tv and radio tuner. Looks
like something useful for someone who travels frequently.

http://www.cellularabroad.com/talkabroad.php

I saw this originally on the gizmag site at
http://www.gizmag.com/national-geogr...l-phone/11999/