my 2 cents (Score 2, Informative)

General/Electronic:
underworld - dubnobasswithmyheadman
orbital - green album, brown album
leftfield - leftism
the orb - adventures beyond the ultraworld
prodigy - experience
bt - escm
moby - moby
messiah - 21st century jesus
808 state - ex:el
the klf - the white room
primal scream - screamadelica
lfo - frequencies
also:
chemical brothers, lords of acid, crystal method,
fluke, propellerheads, laurent garnier, plastikman


Pop:
bjork, saint etienne, everything but the girl, new order,
depeche mode, pet shop boys

Originators:
brian eno, can, kraftwerk, joy division, new order, david
bowie, jean michel jarre, giorgio moroder, cabaret
voltaire, pink floyd

Ethno/World:
philip glass, delerium, banco de gaia

Ambient/IDM:
autechre - incunabula
future sounds of london - accelerator
squarepusher - feed me weird things
aphex twin - selected ambient works 85-92
boards of canada - music has the right to children

House:
daft punk - homework
basement jaxx - remedy
others:
armand van helden, sven vath, carl cox, chicane,
deep dish, cassius, dave seaman, danny tenaglia, frankie
kunckles, timo maas, faithless, hybrid, erick morillo, dj
dan, scott henry

Drum and Bass:
roni size - reprazent
goldie - timeless
ltj bukem - logical progression
aphrodite - aphrodite
metalheadz presents platinum breakz
also:
ed rush and optical, dillinja, photek, ak 1200,
dieselboy, bad company, high contrast, shy fx

Progressive House/Trance:
sasha - xpander
paul oakenfold - tranceport
paul van dyk - out there and back
armin van buuren - boundaries of imagination
robert miles - dreamland
also:
way out west, tilt, john digweed, bedrock, dj tiesto,
george acosta, ferry corsten, gouryella, armin van buuren

Goa and Hard Trance:
astral prjection, juno reactor, hallucinogen

Downtempo:
massive attack - blue lines
tricky - maxinquaye
dj shadow - endtroducing...
thievery corporation - sounds from the thievery hi-fi
portishead - dummy
hooverphonic - a new stereophonic sound spectacular
morcheeba - big calm
death in vegas - dead elvis
dj krush - krush

Industrial:
front 242 - official version
front line assembly - tactical neural implant
my life with the thrill kill kult - confessions of a knife
kmfdm - naive
skinny puppy - too dark park
ministry - twitch
nin - fixed
meat beat manifesto - 99%
pop will eat itself - this is the day...
vnv nation - empires
also:
throbbing gristle, coil, non-aggression pact