Trackball usb mouse ?

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http://crunchbanglinux.org – Im more curious than anything.Today i got to use a trackball mouse,A logitech.http://www.logitech.com/en-us/mice-poin … vices/4680I was quite impressed with it smoothness. Does anyone use a trackball anymore ?And if so what is it ?I have a situation were a stationary mouse would come in handy.Because of limited space.So im thinking of a usb trackball or a usb touchpad.But googling around i cant seem to find whats linux compatable or not. (HowTos)