Remember that USB Unifying receiver that Logitech outed earlier this month? Say hello to the newest duo to support the technology. Both the Performance Mouse MX and Anywhere Mouse MX can connect to a single USB Unifying nub, and both critters also boast the company's own Darkfield Laser Tracking, which literally enables 'em to mouse on glass that's at least four millimeters thick (and pretty much every other surface, ever). It's fairly easy to see that the former is designed for stay-at-home desktop users looking for comfort an
