Today’s featured promo on MacUpdate offers Postino 1.6.4 for US$9.95 (45% off, retail $18). Postino is an RSS reader with audio and video podcast support that makes it easy to read and organize articles, audio and video programs and podcasts. You don’t need to visit your favorites sites hundreds of times a day anymore. Postino will get you the new articles automatically. Postino 1.6.4 requires Mac OS X 10.4 or later.