Electronic music

Drum & Bass:
Rascal & Klone
Technical Itch
Andy C
Grooverider

Experimental Electronica:
Aphex Twin
Venatian Snares

dark/ambient:
Lustmord
Spectr
Pulsefear
Byla
 
Early Nine Inch Nails is kinda industrial.

Some good artists being named, second Boards of Canada, Future Sound of London and defo Aphex Twin.
If you like Aphex's acid style check out Squarepusher.

[ame]http://ie.youtube.com/watch?v=BxEb2FrQUbE[/ame]

[ame]http://ie.youtube.com/watch?v=D_ImXLQCO20[/ame]