HiI have a LG DVD Recorder DR165W i have use it to record Tata Sky programms & Tata Sky uses MPEG2 format for broadcasting, if Tata Sky upgrades to MPEG4 or say i want to switch to Big TV or Videocon or Bharti in the Future, does my DVD Recorder becomes rebundant, or i can continue to record shows in MPEG2 even when the Signal is in MPEG 4, Sabir