Please give my your input on the MX510. Specifically:
How do you like your MX510? Do you use the Logitech Mouseware with it? Does the smooth surface of the mouse buttons cause crud to build up on it quickly? How long has it lasted you?
How do you like your MX510? Do you use the Logitech Mouseware with it? Does the smooth surface of the mouse buttons cause crud to build up on it quickly? How long has it lasted you?