The Mach3 are a good compromise between the Mergers (5 blades) and Sensor (2 blades), especially now that the Sensor is virtually sold at the same price as the Mach3 and the shaving and the difference longevity of the blades is beyond compare.
Certainly these are not the best, "Fusion" are terribly effective, but also terribly expensive. The Mach3 will satisfy most men who do not want to put more expensive ..
