Just when you decided you were ready to jump on the satellite radio bandwagon, they came out with this thing called HD Radio. What is a radio-lovin person like yourself to do? Polk’s iSonic HD/XM Radio DVD Player is here to calm your nerves. It’s got everything you could want packed in to it - AM & FM HD Radio, XM Radio or Sirius Radio (via optional add-ons), an iPod and Mp3 player dock, and ...