About his story or his music?
I applaud the man's hustle and determination, but he is a convicted killer. So it really depends on where you see it on the moral scale. On the one hand, I like gangsta rap and the reality it reflects, on the other hand I don't agree with everything promoted or the lifestyle.
Musically, he is very average at best IMO. But I am sure his recording conditions have a lot to do with the quality of his vocals.