[Money 23]

That I've seen:

1) Vince Carter
2) Michael Jordan
3) Dominique Wilkins
4) Clyde Drexler
5) Shawn Kemp
6) Blake Griffin
7) Kobe Bryant
8) LeBron James
9) Tracy McGrady / Scottie Pippen
10) Derrick Rose / Russel Westbrook

This is in terms of solo dunks, leaping ability, frequency of dunks, creativity, in game dunks, and facials.

I didn't include leapers who suck at ball and never get burn:

James White
Gerald Green