not on ebay but i found these for sale on the exploroz website in their for sale/classifieds section.
maxtrax, 2 years old, never used and $200
http://www.exploroz.com/Classifieds/....aspx?id=12331
maxtrax, 2 years old, never used and $200
http://www.exploroz.com/Classifieds/....aspx?id=12331