That plume of smoke on the horizon. That winking of distant scopes and flashlights. That ominous blank spot on the radar. Battlefield 3 is almost upon us, a T4 Tank of a multiplayer shooter with an underwhelming single player component lurking nervously to the rear. In case our review leaves you in any doubt as to why you should buy this not-perfect, but stonking good game, here's our run-down of the things it does best.