I can't believe I've only just come across DM Stith (cheers to Ev for the shout). Awesome and dark folk-noir compositions with beautiful vocals/lyrics, intricate and weaving guitar-work and some great, often chaotic, production. Brings to mind artists including Joanna Newsom; Nick Drake; Bill Callahan; Fionn Regan; Jeff Buckley; Benjamin Wetherill and many others. Basically all great stuff! He's currently touring Europe with Sufjan Stevens (playing Prima Vera festival tonight actually!).
Here's him playing live in New York last year with some wonderfully deft backing from Inlets: