Nico overthinking it version...
Oldest to newest that I've played and recall liking a lot (and would own if I only had the space):
Heat Wave
Crescendo
2001
King Pin
Captain Card
Out Of Sight
Impacto
Old Chicago
Freedom prototype
Volley
Grand Prix
Aerobatics
Jacks Open
Hot Tip
Pinball
Jungle Princess
Rancho
Cleopatra
Joker Poker (SS version)
Sinbad (SS version)
Gemini
Top five favorites where drop targets are the main focus:
Joker Poker (SS version)
2001
Sinbad (SS version)
Out Of Sight
Cleopatra
Top five where drop targets are more-or-less secondary:
Freedom prototype
Old Chicago
Rancho
Hot Tip
Pinball