Uh, does it not work? There should be HID-compliant drivers built into XP64 that work with it. Or do you mean the software Logitech makes for assigning buttons and stuff? It seems like they never ...
I have been a fan of Logitech products for a very, very long time (who remembers the Logitech Bus Mouse?). Not only because they are a Swiss company, but even more because they make good, innovative, ...