I like some mods... But only if they look like factory installed. Or they bring the game a nice touch. Here a few examples...
Non gamespecific:
1. pdi glass
2. color dmd
3. Speakerupgrade
4. backboard LED-stripe for most wpc games
5. LEDs if you use them right
6. Shaker
7. playfieldprotector, cliffys, convolux
8. led/gi ocd
9. powdercoated or plated cabinet parts
Gamespecific:
1. Flintstones - light up Dino and buildings
2. twd - small zombie heads over slingshot nuts
3. twd - backboard ramp Lights
4. twd - metal bumper caps
5. met - snake Fangs, snake mod
6. met - hooked spinner mod
7. lotr - army of death @ potd
8. lotr - palantir mod
9. lotr - brass plated ramps
10. woz - witchmod
11. woz - hallmark figures on Lane plastics
12. CC - Continued upgrade
If i got time I'll make some pictures from this mods