If you decide to dump them, please at least salvage the PCBs. I would gratefully take them off your hands, even at a price, and I would never sell them. Instead I would use them for reverse engineering purposes, eg ...http://www.users.on.net/
All my work would be published on my web space for free download.
If you are located in Australia, then I would like very much to have the complete drives, again for reverse engineering purposes.