Here are my lists as just one list doesn't really make sense.
(All in no particular order per catagory)
TOP 5 Vectors I play the most:
Asteroids, BattleZone, Space Duel, Tempest, Armor Attack
TOP 5 Vectors with the most beautiful cabinet artwork
Gravitar, Space Duel, Black Widow, Star Wars, Asteroids Deluxe
TOP 5 Vectors with the best vector graphics
Star Wars, Tempest, Space Fury, Cosmic Chasm, Major Havoc
TOP 5 Vectors that are the most under-appreciated
Space Duel (since these are the first to lose their monitor), Rip Off, Omega Race, Empire Strikes Back, Red Baron
TOP 5 Vectors that are the worst to play
Sundance, Barrier, Space War, War of the Worlds, Warrior
TOP 5 Vectors that should be placed side by side
Space Duel, Gravitar, Black Widow, Major Havoc (conversion in SD cab), Quantum
TOP 5 Vectors made by Sega (LOL)
Eliminator, Space Fury, Tac/Scan, Star Trek SOS, Zektor
TOP 5 Vectors made by Cinematronics/Rock-ola (LOL)
Armor Attack, Star Castle, Rip off, Solar Quest, Cosmic Chasm
TOP 5 Vectors in Black and White (with or without an overlay)
Asteroids, Asteroids Deluxe, BattleZone, Armor Attack, Star Castle
TOP 5 Vectors in Color (without an overlay)
See top 5 with best vector graphics
TOP 5 Vectors worth the most coin
Major Havoc (dedicated), Quantum, Cosmic Chasm, Star Wars (cockpit), Sega XY cabinet with 5in1 multigame (screen flip, and working/refurb'd G08)
TOP 5 Vectors that are the most rare
Aztarac, Boxing Bugs, War of the Worlds, Cosmic Chasm, BattleStar (wink wink)