Not a bad list at all. Here is how my top 10 broke down:
God Skeletor (1987 Movie)
Skeletor (New Adventures Toy)
Skeletor (1987 Movie)
Snake Armor He-Man
Prince Adam (200x Toy)
Hordak (Filmation)
He-Man (1987 Movie)
King Hssss (200x Toy)
Sorceress (Mike Young Productions)
Catra (Princess of Power Toy)