Logitech G903 Wireless Mouse Review – You'll Forget It's Wireless
Traditionally, there have always been two problems with wireless mice. The first is that they always need fresh batteries or to get recharged. The second is that they tend to suffer from a certain amount of input lag. The Logitech G903 and G703 wireless gaming mice attempt to solve these problems.
No input lag to speak of; Charging Pad eliminates battery concerns; Ergonomic design
Charging Pad ain't cheap; Not sure why there's two scroll wheel settings; Limited button customization