"Gaming mice are probably the most important peripheral hardcore gamers can invest in, so cost is not usually an issue if the gains are noticeable. What Zalman is asking you to do though is to buy into an idea, a concept – one that may or may not work according to how well you adjust and how big your hands are.

Comparing the FPSGUN to the likes of a Razer or SteelSeries mouse though might be considered a little unfair, as essentially you are limited to using the FPSGUN for FPS games. So, even if you did invest ?35 in the FPSGUN, you would still have to stick with your old mouse for everything else – for us, this ruins any of the value and attraction the design
could have ever had."