Logitech are one of the leading brand when it comes to PC peripherals. They have a large range from keyboards (membrane/mechanical), mice, joy sticks, racing wheels and speakers. They have come a long way since they launched their first mouse, the P4 back in 1982. In fact, later this year the company will be celebrating their 40th anniversary, so kudos to the Logitech Team. Today we are going to be taking a look at the critically acclaimed G903 Lightspeed Gaming mouse, the successor to the valued G900. Logitech have kindly supplied EHW with the G903 Lightspeed Gaming to review. So let's delve in.