Not sure if this goes in Misc or deals because its quidco and not a specific deal.
Hopefully this will help someone who is looking to upgrade to an Iphone 3/3G/4
Quidco are currently offering £120 cash back on all iPhone contract. Check out the contracts on the vodafone website. Contracts start from £25 a Month and £309 for an iPhone 4http://shop.vodafone.co.uk/iphone/pay-monthly.html
The quidco website is http://www.quidco.com/vodafone
and via the link.