I'm looking to buy a inexpensive LCD or Plasma TV (prefer 50" or larger but would settle for a 42" or larger). The TV will be used in my work conference room primarily as a computer monitor and display for trainings/presentations. I'm trying to get some advise on what to look for and if anyone knows a low end brand. It won't be used for movies or TV just computer display. Any suggestions or advise would be appreciated!!