When Logitech released its Mac-specific QuickCam Vision Pro in July 2008, we were quick to jump on board in support of the $130 web camera. The difference back then between video shot through Apple’s iSight video cameras and the QuickCam was so stark as to be truly night and day: whereas even the best of the iSights put out blurry, washed out video with a narrow field of view, Logitech’s camera instantly provided sharper, higher-contrast…