HardwareZoom has posted a comparison review between the Logitech Cordless MX Duo against the Logitech Freedom Optical wireless keyboard/mouse combo
Introducing the Logitech Cordless MX DUO and the Logitech Cordless Freedom Optical, the 2nd and 3rd generations wireless keyboard and mouse combo from Logitech. Both versions use the same Cordless Elite keyboard, but different mouse. MX DUO comes with MX700 Cordless Optical while the Freedom Optical comes with Cordless MouseMan Optical. The other difference is the receiver; the MX DUO receiver is also a recharging cradle for the mouse.Read more
