My brother is picking one up next week. Which means I am going to have some work to do fixing it.
My brother and I both started on 90's machines. They usually are a little deeper in rule sets etc...
80's games are fun. I did not know anything about repairing pinball machines and I am still learning. But if you put in time researching you can get pretty good at repairing and diagnosing problems.
Do the system 80s require constant attention? Well it is pinball, things seem to always be going wrong. That is part of the fun and frustration.