Pros: Amazing accuracy on almost any surface. No noticeable lag compared with other wireless devices, including Bluetooth ones. Good ergonomic design for a right-handed person. On/off button to save the battery when not in use for an extended period of time.
Cons: At first I thought I would have to return it to the store. I am using it with a Mac on OSX, and like some other users I found myself with the cursor jumping all over the place. A phone call to Logitech Support confirmed that some charger/receiver units we