Let me preface this by saying I am not a big rap fan:

Public Enemy - Fear of a Black Planet

Alkhaoliks - Liquidation

Andre Nickatina - Conversations With a Devil, Bullet Symphony (just for Ate Miles...).

Lupe Fiasco - Food and Liquor

NWA - Straight Outta Compton

Dr Dre - The Chronic

Snoop - Doggystyle

2Pac - All Eyes...

Nas - Illmatic

Wu Tang - 36 Chambers

Beastie Boys - Paul's Boutique