Which USB-Touchpad can you recommend?

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http://forums.fedoraforum.org – Hi, I think about buying a USB-Touchpad as mouse replacement. I though about the T650 from logitech, however it doesn't support Linux. Do you know about a touchpad that works out-of-the-box under Linux/Fedora...?? And quality-wise does it work properly, accurate, fast, sensitive? Thanks for sharing your experience! (HowTos)