Part of the reason for the slow failure of the project is the suicide of one of the co-founders, Ilya. A death has a lasting effect on any project, particularly a small one by people new to the whole thing.
At that time Jordan kept a bunch of journals of the development process, they're all online. He even has video of the motion captures he did of his brother, these were used to animate the Prince and it's really uncanny to see how much of that came through in the game. Warning, if you click the link be prepared to waste a LOT of time reading, it's addictive. http://jordanmechner.com/old-journals/1985/10/october-20-1985/
Well unfortunately the Broadcom SoC used in this is only available to official Broadcom partners. So no, the typical person who wants to do this CAN'T acquire the parts.