Perfect for the Pandora. Good looking, small, and very cheap for a 1.8"
http://www.play.com/PC/PCs/4-/11903254/Toshiba-StorE-Steel-250GB-1-8-inch-Portable-External-USB-Hard-Drive-Black/Product.html
[Edit] The £59.99 deal has finnished. I guess they sold a few too many at that price :)