The UR peripheral Intellicart had been sold on eBay for 219 euros
Actually on eBay: a mint Master Component already reach 200$, the price that collector would pay for a complete console is higher than expected.
The UR Compro Videoplexer is listed since some time for 625$
A copy of Stonix is available: the second copy seen since december 2005.
Huge variations on auctions for the ER River Raid, sold between 20$ and 149$