TechPowerUp posted a review on the Endgame Gear XM1 White
A quote from the article:
The Endgame Gear XM1 was one of the most acclaimed releases last year due to its PMW3389 sensor, lightweight shell, innovative low-latency switch technology, and Sensei-like ambidextrous shape. The XM1 White not only comes with a new coating and color scheme, but an improved cable, updated buttons, and enhanced mouse feet.Endgame Gear XM1 White Review