The sounds for the blue cab game sound pretty similar to Flight 2000. I wonder if blue cab Cheetahs used leftover cabs from Flight 2000's run?
[edit]: Hmm...maybe not. IPDB indicates Cheetah was produced in June 1980, and Flight 2000 was produced in August 1980.
[edit]: Actually, maybe there is some merit to that--Cheetah was produced from June to November 1980, and Flight 2000 was produced from August to December 1980. So maybe there was some crossover because of parts availability just to keep the production lines rolling?
[edit3]: I wonder where the serial numbers fall for blue vs black cabinets.