i get so pumped, i will put out a more comprehensive list (note: i don't really get into the early 90's stuff, i know i know):
2Pac - The Don Killuminati
2Pac - Me Against The World
The Game - The Documentary
Lil Wayne - Da Drought 3
Notorious B.I.G. - Ready To Die
Jay-Z - The Black Album
Jay-Z - Reasonable Doubt
Nas - Illmatic
Ghostface Killah - Fishscale
Mobb Deep - The Infamous
Immortal Technique - The Revolutionary, Vol. 2
Ludacris - Back For The First Time
Lupe Fiasco - Fahrenheit 1/15 Part III: Revenge of the Nerds
OutKast - Stankonia
Prefuse 73 - Vocal Studies + Uprock Narratives
Sage Francis - Personal Journals
Snoop Dogg - Doggystyle
Dr. Dre - 2001
Talib Kweli - Reflection Eternal
T.I. - King
Cam'ron - Purple Haze
that should be a good starting point