If you are a fan of old school hip hop acts like The Wu-Tang Clan, Onyx, Das Efx and when rappers could actually rap. I found a guy who gives me the same joy of rap but he doesn't use all of the words that kids can't listen to.
Best part is he has 4 free albums.
Check this out
http://www.noisetrade.com/readywriter
If you know any others in this genre list them.