All the people who say biggie sucks are clueless. Biggie was one of the greatest, if not the greatest rapper. His stuff was original, and sheer genius as far as rap goes.
The people who say Del, Immortal Techniques, Black Thought... come on. Try this test, get someone who doesn't listen to that stuff, to listen to it. You will find yourself embarassed to play it for them because you know it's just not that enjoyable to listen to. And hence, pretentious "real hip hop" fails the test.
Not to say that "real hip hop" isn't something real, and that it isn't better than the mainstream garbage on the air and on MTV... just that a lot of geeks take it overboard with listening to something obscure just to be different. Trust, me, I've listened to (and own CD's by most of these) to everything out there, from Biggie, Tupac, all the guys on Quannum and Anticon, Slug, Murs, Atmosphere, Black Thought, Tribe, Roots, Mos Def, Kurupt, Busta Rhymes, eminem, Dre, Snoop, Nelly, Jay-z, Nas, Binary Star, Black Star, People Under the Stairs, Little Brother, Del/Hieroglyphics, Easy-E, Too Short... plus all types of stuff from other genres, but we're only talking about rap here. When it comes down to it, Biggie is in a league of his own compared to most other rappers.
Elite Rappers:
Biggie
Eminem
A Tribe Called Quest
Not Quite Elite, but Significantly Greater than the Rest:
Jay-z (good at first, put out too much trash after initial success)
Snoop (ditto)
Nas (ditto)
Outkast (ditto, Speakerboxx sucked)
Mos Def (extremelly talented, but last album sucked, strayed away from hip hop)
Tupac