Man, I've tried typing this a handful of times now but my comp keeps crashing before I hit submit. Hope this one makes it, 'cause I'm committed to the cause.
De La Soul- Stakes is High
Biggie- Ready to Die
A Tribe Called Quest- Midnight Maruaders
UGK- Ridin' Dirty
Devin the Dude- Waiting to Inhale
Mobb Deep- The Infamous
Wu-Tang Clan- Enter the 36 Chambers
Eric B and Rakim- Paid in Full
Scarface- The Diary
Mos Def- Black on Both Sides
The Pharcyde- Labcabincalifornia
Dilated Peoples- The Platform
Paul Wall & Chamillionaire- Get Your Mind Correct
Those are just a handful to get you started. I'd also youtube Big L, AZ, Canibus, The last Emperor, Eyedea, Typical Cats, Big Daddy Kane, KRS-One, the Cunning Lynguists.... I know there are tons I'm forgetting but these are who just popped in my head.