Microsoft once made an awesome trackball and then discontinued it, leaving the remaining supply to be auctioned at high prices on eBay. If you're lucky, you can now find one of these extinct $50 MSRP rarities for the low price of $550 on Amazon, http://www.amazon.com/Microsoft-D68-00007-Trackball-Explorer...
Why they won't bring this trackball back to the market is a mystery.
Why they won't bring this trackball back to the market is a mystery.