Samsung Genio Touch, Pay as you go, £10 top-up

The Samsung Genio Touch S3650 is one for the socialites out there, with built-in support for your favourite social networking sites as well as Google widgets. The full touchscreen makes for easy navigation and the 2 megapixel camera lets you take photos on the move and share them with your mates via Bluetooth. The Genio Touch sounds great with a built-in MP3 player and FM radio. And two extra switchable covers means you'll be looking good too.