Remakes will stay at their average price. Originals will still be worth more and eventually end up back at 9K in 5 years.
There are differences, and you can't beat an original no matter how well you copy it.
However, IDGAF where either are at price wise. Buy a machine because you love to play it, not because it is an investment. There are plenty of better things to invest in outside of a pinball machine.