just a small issue i noticed, i have the logitech mx518, and if you just supply the drivers you will not be able to adjust the sensitivity on the fly. you will also need to install setpoint in order for the mouse to function completely. You can undo this by installing setpoint and then uninstalling it. MX518 owners are probably better off not adding the drivers for this mouse since you will be able to still set 3 different sensitivity settings. This is not the fault of the driverpack, just the drivers.