Please post a restore thread when you start, your work has always been top-notch.
The only mod that might be worth looking at is the lampshade from the mod couple.
Also, don't forget about this part from Marco 01-10223 for the trap door:
https://www.marcospecialties.com/pinball-parts/01-10223
Here's the service bulletin for reference...
Funhouse-Service-01-10223.jpg