-Orbital are (were) a UK techno band consisting of 2 brothers:
http://en.wikipedia.org/wiki/Orbital_%28band%29
-You probably didn't know it but you've probably heard their music in one way or another (quit a few films and TV programs have used them)
-The Dr Who remix has to be heard at an extremely high volume
-The track "Belfast" makes my spine tingle
-Yes, I am a fan of their's.
I love electronic music in general. Here are a few other favorites:
-Banco de Gaia
-Simon Posford (Hallucinogen/Shpongle)
-Dj Fresh
-... and 100's more