Most people begin shopping for a television with a screen size in mind. To choose the right screen size for your room, measure how far you'll be sitting from it in inches, and multiply that number by 0.4. This gives you the approximate ideal diagonal screen size.

#1 Size of the space the TV is to be placed in

#2 Size of Room/Viewing Area

#3 Vehicle Size

#4 Picture Quality

#5 Audio Capability/AV Inputs and Outputs

#6 Remote Control/Ease of Use

Other Considerations on the way