REVIEW: Sony PS Vita

Sony's long-awaited PSP successor, the PlayStation Vita, is finally here. The most powerful handheld gaming console of all time, there's no denying it's a mightily impressive bit of kit. But in this age of tablet and smartphone apps, not to mention having a direct rival in the form of the Nintendo 3DS, is there room for another gaming device in our already stuffed pockets? Read on to find out.