I think that a list of artists would be much simpler here:

Bjork
The Temper Trap
Trifonic
Frou Frou
Imogen Heap
Nightwish
Letting up Despite Great Faults
Sigur Ros
Jonsi
Vanilla Mood
Kafka
Talkless
Saltillo
Portishead
Band of Horses
Jorane
Origa

That's pretty much what I've been favoring lately.