I use both the new G5 and the G9, alternating when I get tired of one or the other. However, all the new Logitech mice have inferior rigid cords (non-plastic),

I use both the new G5 and the G9, alternating when I get tired of one or the other. However, all the new Logitech mice have inferior rigid cords (non-plastic), and it's fairly hard to middle click on either mouse.