So, we picked these up this weekend. My friend is the one buying them, and we don't have a clear direction to take with them, yet. Ideally, they work as original arcade games. But the Bump n Jump has monitor issues, amongst some other issues (possibly Deco cassette related, but i have NO CLUE what i'm doing yet, haha.) The people we bought them for told us that Time Soldiers worked when they purchased them, and when they got it home, it stopped working. I'll post some pics of the problem later. But its jamma, with rotary controls. One will be staying at his house, and the other will be something for the youth group at our church, as it would go over well, there.
The people sold them to us for $100. For both! We had to pick them up, even if its to begin work at a later time.