Microsoft Arc Touch
He recommends it for road warriors, but says, "To be perfectly blunt, this mouse has easily best in class ergonomics for an ultra portable mouse, but compared to a true 'full size' mouse it does fail to compete." We found credible reviews at CNET, TechCrunch.com, PCMag.com and ZDNet.
Includes BlueTrack technology for use on a variety of surfaces; Lightweight; folds flat to turn off and for travel; Center touch strip offers good control
Not comfortable for everyone for extended use; Some reviewers found buttons hard to press; No forward/back buttons