A look at what is currently available on eBay
 Finger Hand Held 4D USB Mini Trackball Computer Mouse US $12.06 
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 4D Portable Finger Hand Held Usb Mini Trackball Mouse US $8.18
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 Mini Wireless USB RF 2.4Ghz 78 Keys Keyboards+Trackball US $40.79
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 ADESSO ACK-5010UB Mini-Trackball Keyboard USB BK US $71.69
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 Xgene Wireless Mini Multimedia Trackball Keyboard Usb US $86.87
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 SOLIDTEK KB-5010BU - MINI W/ TRACKBALL USB 13.31"L - US $61.99
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