The Mobile Shop have the Sony Ericsson Z530i with 12 months free on a 12 month contract (after cashback). So, for £0 (after cashback), you get the Z530i (for FREE!!), 12 months free line rental (after which you can cancel), 250 x-net minutes per month and 100 text messages every month too on o2!!
The Z530i grows with your needs. With features ranging from simple phone calls and text messages to a built-in camera, PC connectivity and a music player, it's a phone for today and tomorrow. And when you want to change the look of your Z530i, change the cover. Do more with your images. The Face warp feature, for instance, lets you give a photo of a face a twisted humorous touch. The Z530i has Bluetooth built-in and supports USB connectivity. With a USB cable (optional accessory), synchronise the phone calendar and phonebook with your PC.
This offer works by cashback which you claim from MoibileShop.com at specified intervals. If you wish you can purchase via QuidCo.com who will give you a whopping £32.50 in extra cashback, meaning that you'll make a PROFIT of £32.50 on the whole thing!! Remember to cancel itemised billing if you don't want it as o2 charge 99p per month for this service. You should make a chargeable call during your 12th month or you won't get the last bill you'll need for your claim. Remember to cancel the insurance if you don't want it as it's quite expensive. As usual, send claims recorded/special delivery as soon as you get the bill and you'll be fine. The cashback with MobileShop is reported to be very reliable.