Hmm, first-pass thinking out loud - Richard Buckner, Azure Ray (or either of its two constituents, Maria Taylor and/or Orenda Fink), Weepies, Chad VanGaelen, Terra Naomi, Smoke Fairies, Shearwater. Oh, and Bon Iver.
Many inspired choices this year, Dan Mangan, Anais Mitchell, Tim Eriksen - thanks!