I really dig...
Powdercoat (if done well)
Mirror blades
Tanslucent color apron
LED's
Color DMD
Brass or chrome coindoor (not powdercoat)
Colorful silicone ring kits
I sorta dig a solid topper. Shakers are in the same boat. Pinstadium too I think. None are quite must have but I like em.
But...
Attaching dolls or 3D printed signs is reeeally not my thing. I also dont like powdercoated ramps or wireforms.
Were all different tho. I'm no authority.
Oh, wait. I love the boney flipper bats on my TWD. So cool! To me.