http://pjbutta.com/content/music/share/
Always gets new songs weeks before they are released.
Some off the top of my head which were popular but were up their weeks and some a month or two before it became popular:
Goodluck Charm - Jagged Edge
So Amazing - Jagged Edge
You Know What - Avant
Smack That - Akon F/ Eminem
Snitch - Obie Trice F/ Akon
I Wanna F[COLOR="black"]uck[/COLOR] You - Plies F/ Akon
That's That - Snoop F/ Kelly
That's That REMIX - Snoop F/ Kelly & Nas
Etc. etc. etc. etc.
One of the best sites