You mean one of these? Yeah, Microsoft could make some good money bringing these back. I know I'd worry less about mine biting the dust. http://cgi.ebay.com/Ne

You mean one of these? Yeah, Microsoft could make some good money bringing these back. I know I'd worry less about mine biting the dust. http://cgi.ebay.com/New-SEALED-RETAIL-PACKAGE-Microsoft-Optical-Trackball_W0QQitemZ260462385106QQcmdZViewItemQQptZPCA_Mice_Trackballs?hash=item3ca4c497d2&_trksid=p3286.c0.m14 http://cgi.ebay.com/New-SEALED-RETAIL-PACKAGE-Microsoft-Opti... http://cgi.ebay.com/SEALED-BULK-RETAIL-PACKAGE-Microsoft-Optical-Trackball_W0QQitemZ270442159660QQcmdZViewItemQQptZPCA_Mice_Trackballs?hash=item3ef79bde2c&_trksid=p3286.c0.m14 http://cgi.ebay.com/SEALED-BULK-RETAIL-PACKAGE-Microsoft-Opt... http://cgi.ebay.com/Microsoft-TrackBall-Optical-Mouse-PS-2-USB-refurbished_W0QQitemZ130325738876QQcmdZViewItemQQptZPCA_Mice_Trackballs?hash=item1e5804f57c&_trksid=p3286.c0.m14 http://cgi.ebay.com/Microsoft-TrackBall-Optical-Mouse-PS-2-U...