After all the Galaxy S3 rumours and speculation, Samsung's new smartphone has been revealed. And the quasi-intelligent handset has powerful enough hardware (not to mention a nifty bag of tricks) to make the iPhone 4S think twice about its position as the world's best phone. We've rattled through its menus on camera to bring you a snapshot of how Sammy's Galaxy S3 performs. And we think you'll be impressed with the results. Join us for a quick video tour here.