Sony Xperia S+Dre Beats Studio for sale or swap for Galaxy S3 +

Looking to sell/swap my Sony Xperia S (unlocked for all networks) in Mint condition paired with Dre Beats Studio Headphones (Black Only used once unwanted gift) no silly offers please. Links below for description: http://www.gsmarena.com/sony_xperia_s-4369.php http://www.beatsbydre.com/products/Products.aspx?pid=B3808&cat=1 I will swap for a brand new galaxy S3 and i will throw in 30 of cash (o2 or unlocked to all networks)