Hmm... I also have a very large playlist that I listen to while working on Nahast, but I do have an Original Soundtrack of sorts, currently being pieced together by me and a musician friend of mine. You can download the assorted mp3 and MIDI files from my downloads section, if you're curious (.
http://nahast.keenspace.com/downloads.html). I should make a cover one of these days...
As for a sample of my playlist:
Jeremy Soule - Icewind Dale Theme
Akino Arai - Omatsuri (Festival)
Saori Kobayashi, Mariko Nanba - Sona Mi Areru Ec Sancitu (Panzer Dragoon Azel)
Yoko Kanno - Sea of Miracles (Lodoss TV OP)
Yoko Kanno - Girl WIth Power (Arjuna OST)
Deep Forest - Pacifique (Pacifique)
Klaus Badelt - Eloi (The Time Machine OST)
Ben Daglish (Chris Holm) - The Last Ninja (Wastelands)
Unknown - Once Upon a Time in China (Version 4)
Joe Hisaishi - Gods (Spirited Away Image OST)
Khan - The Moonlit Ground (Soul Edge OST)
G.Priarone / orig. Ben Daglish - The Wilderness (TheLast Ninja)
Peter Gabriel - A Different Drum (Passion)
Eri Itoh - Anu Orta Veniya (Panzer Dragoon Orta)
Hans Zimmer - Idyll's End (The Last Samurai OST)