The essential question is within a family of design (LED, LCD, CCFL) do all screens have the same longevity-reliability, and look?
Several neighors, and friends have aske my assistance in buying a TV, essentially because I have a pick-up truck.
I assume that within a diagonal size family, most people will not notice differences, you need to move from a 22" to a 42" to see differenced.
So far none of them need every concievable Input-Output technolgy. A good human engineered Remote Control you can read will score high in the competition.