The Carphone Warehouse have the Samsung C3510 on o2 pay as you go for just £47.95 when you buy £10 airtime... a total package price of £57.95 with free delivery.
The Samsung C3510 is an entry level touchscreen phone. It's similar in looks to the Genio Touch but it has a downgraded specification with a 1.3 megapixel camera and no 3G. The C3510 comes with a 2.8 screen and Samsung's Cartoon user interface, which allows users to scroll through the colourful widgets and menus with ease. The large navigation keys beneath the screen make it easy to use and the phone has easy access to Facebook and Twitter.