Here's mine...

The breath control of: Gift of Gab
The flow of: Talib Kweli
The voice of: Either...Young Z or Chali 2na
The delivery of: Pharoahe Monch
The energy of: Either Canibus or ODB
The metaphors of: Saul Williams
The punchlines of: Any of the Demigodz
The storytelling of: Slick Rick
The humor of: Benefit
The wit of: De La Soul
The attitude of: Common
The style of: Beastie Boys
The subject matter of: Aesop Rock

I would have doubled some artists, but I wanted to keep it diverse.

Peace