WICO Command Control (circa 1982) WICO Trackball 72-4545 For use with: Atari Home Video Game Sears Arcade Game Atari 400 and 800 Home Computers Commodore VIC-20 Home Computer. I have several of these available, and they're unused. They're built like a tank. I was going to adapt them to other uses many moons ago, but never got around to it. $10/each, $25/3. Plus shipping. Or trade for DEC Rainbow, Pro-3xx, or PDP-11 stuff. Dave Jenner djenner(a)halcyon.com