Today’s featured promo on MacUpdate offers WriteRoom 2.1 for US$14.95 (40% off, retail $24.95). “WriteRoom is for Mac users who enjoy the simplicity of a typewriter, but live in the digital world. WriteRoom is a full-screen, distraction-free writing environment. Unlike the cluttered word processors you’re used to, WriteRoom is just about you and your text.” WriteRoom requires Mac OS X 10.4 or later.