well, ill chip in with some good intro material from my favorite genres.
HipHop (new + older essentials):
Dilated Peoples - The Platform
Cannibal Ox (if you can find it) - The Cold Vein
Del tha Funkee Homosapien - I Wish My Borther George Was Here
Deltron 3030 - Self-Titled
El-P - Fantastic Damage
Digital Underground - Sex Packets
De La Soul - 3 Feet High and Rising
De La Soul - AOI: Bionix
Ultramagnetic MCs - Critical Beatdown
*Ol' Dirty person - Nigga Please
(*fantastic album, but ya gotta like ODB or you'll hate it most likely)
Turntablism/Collaborative HipHop efforts :
Dan the Automator - A Much Better Tommorrow
Mixmaster Mike - Anti-Theft Device
Peanut Butter Wolf - My Vinyl Weighs A Ton
Cut Chemist/Shortkut - Live at Future Primitive Sound Session
Handsome Boy Modeling School - So....Hows Your Girl?
Electronic:
Peace Orchestra - Self-Titled
Kruder & Dorfmeister - K&D Sessions
Funki Porcini - Fast Asleep
Funki Porcini - Hed Phone Sex
Plastikman - Consumed
Massive Attack - Mezzanine
Dust Brothers - Fight Club Soundtrack
Biosphere - Cirque
Howie B - Folk
Nightmares on Wax - Smoker's Delight
The Herbaliser - Blow Your Headphones
Those listed span a wide array of sub-genres as well...more info can be found on most, if not all of these albums at
www.allmusic.com (AMG all music guide... very useful).
edit: speeling