I see these listed on the Outside Edge site.
Space Shuttle Hardtop playfield overlay (traditional version)
Space Shuttle Hardtop playfield overlay - non hotdog "SPACE" and "SHUTTLE" version (less common)
Pharaoh Hardtop playfield overlay (upper and lower)
Taxi Hardtop playfield overlay - blonde hair version
Taxi Hardtop playfield overlay - red hair version
Wizard Hardtop playfield overlay
Future Spa Hardtop playfield overlay (widebody)
Comet Hardtop playfield overlay
Frontier Hardtop playfield overlay
Black Knight Hardtop playfield overlay (upper and lower)
Evel Knievel Hardtop playfield overlay
What is the current list of coming playfields ?
Looks like there is a lot of testing going on for several machines.
Thx.