InsideHW.com posted Logitech MX620 Cordless Laser Mouse Review
A quote from the article:
Logitech MX620 Cordless Laser Mouse Review
After the surprising introduction of G5's successor last month, another series of Logitech peripherals got a new-born. As one can see at first glance, the MX 620 is not in the least a replacement for the MX 610, but a brand new addition to an already established series of successful wireless mice.
Logitech MX620 Cordless Laser Mouse Review