Cons

• Many machines don't support all the DVD regional formats.
• DVD doesn't support some of the features provided by Bluray.
• Copy protection.
• Regional lockout

Pros

• Playback of audio CDs.
• Playback of scenes.
• Language choice.
  
• Playback such as freeze, slow and fast play.
  
• Parental lock.
  
• Random play.
• Repeat play.
  
• Dolby Digital audio output.
  
• Digital coaxial output for sending digital surround sound, such as Dolby Digital 5.1 or DTS, to an amplifier.
• Scart sockets for easy connection to a TV.