It's only been a few short months since we first looked at the Razer Viper lightweight eSports mouse but today, we're looking at the Razer Viper Ultimate. It features the same sturdy yet lightweight design of the original but now features improved feet and Razer's industry-leading HyperSpeed Wireless connectivity. At $149, it's competing in a crowded market - does it do enough to stand out and earn your purchase?