Which one? the 4 or the 4s????? read a review of the Galaxy s up against the Sensation' date=' and it was too close to call. Only problem is unless you pay £30 a month or more, you get charged £99 for the handset, but Sensation is free???!!!! [/quote'] the 4 mate, I got mine for free and am paying £25 a month on O2 - have a look on here mate for some great reviews http://www.gsmarena.com/