I ran across Out of Orion (Ox3) entirely by accident while doing my bi-weekly Jamendo dig. They have a lot of stuff on Jamendo for private download....and it is all very, very good stuff, especially for backgound music while playing Call of Cthulhu, Conspiracy X or GURPS Horror in any flavor. Hell, it's just good for background music while reading...you name it. Here are a few samples of Ox3 for your perusal:
....They have 34 albums up on Jamendo. It is all amazingly good darkambient, horror, sombient-like and, well....if you like this kind of stuff, its kind of like a goldmine of aural evil!