From their new album, "Accelerate", this is "Man-Sized Wreath"...
http://www.youtube.com/watch?v=g-IDCVaRIdUGood fucking song, it rocks. Always thought Peter Buck was an underrated guitarist.
They're on tour this summer, thinking of going to see them. I saw them in '95, but it was just after Michael Stipe had a hernia operation, so he wasn't at his best.