Pros

  • HD movie rentals
  • 5.1 Dolby Digital Surround Sound support
  • Improved interface
  • Can be used without a computer
  • Four times the storage of 40GB model for just $100 more
  • AirTunes support
  • Ability to stream .Mac Web Galleries and Flickr albums

Cons

  • No music video shuffle
  • 24-hour rental period too short
  • No music search feature
  • Playback of HD movies and trailers can be interrupted during download by rebuffering
  • Not as stable as previous software
  • Can't directly subscribe to TV shows or podcasts