If you play online FPS game (Call of Duty, Battlefield, Halo etc.) this product is a must have. You'll see an improvement almost immediately after you get used to how the controller works (about a round of online play). Long range shots are no longer a big problem. You won't overcompensate if you try to take down a sniper from afar and miss completely. Melee combat (a guy runs past you and turns around) is the only issue that you really have to get used to, especially if you're playing at highโฆ