I just started listening to this guy and he's got a real nice flow and some real nice bars. I wouldn't be surprised if he starts to blow up in the underground world soon. Also, Dr. Dre gave Kendrick props on Power 106 radio show which is huge for him to get his name our there more. Kendrick Lamar is straight out of Compton, California and growing a big buzz out there. Check out his O.D. Project on iTunes and these tracks below.
Kendrick Lamar - Monster Freestyle (He Spazzes On This One!)
Kendrick Lamar - Ignorance Is Bliss