IPHONE 4S + warranty till March 2013 - £340 ono- swap with IPAD ?

Hi I have an Iphone 4S 16GB Black for sale or swap for IPAD . Like new, no marks whats so ever..... selling price is 340, Iphone is under Warranty till 28-Mar-2013 ..... any questions pls text 07887685439 SIRI 1080p HD video recording 8 Mega Pixel Camera Facetime Video Calling iCloud - your content on all your devices Brand new iOS 6 Apps store etc....