Welcome to the hobby!
Instead of an EM, you might consider an early Solid State game from Bally or Stern, from the late 70's or early 80's. There are readily available replacement modern circuit boards for these. Look under the playfield at EM games and it is a whole different animal. There is a saying in pinball..."If it ain't broke, it ain't pinball!"
Be prepared to learn some basic pinball repair and/or find a reliable pinball tech.