An Apple-1 computer dating to 1976 is up for auction in California, and the auctioneers said they expect it to fetch up to $600,000. John Moran Auctioneers said the Apple-1, which was designed by Steve Wozniak and assembled and tested by Steve Jobs, had two previous owners before going on the auction block. A functioning Apple-1 computer hailed as the "holy grail of vintage computer collecting" has sold at auction ...