You have to remember that unlike flat panel displays, CRTs are inherently analog devices. There are no discrete pixels in a CRT tv so there is not nessecarily the concept of upscaling (and the associated problems) that you will find with a LCD or Plasma.
Some CRTs are fixed and will simply upsample all inputs to 1080i, yet others are much more flexible. The Sony Kd-34XBR970 for example will take 480i sources and simply double them to 960i rather than upconvert them to 1080i. It can display 720p just as easily.
A set like the 970 will give you the most flexibility when displaying sources of all resolutions.
“An engineer explained to us that hundreds of ear impressions were gathered in the name of research, and while each one obviously boasted its own unique shape and size, one single characteristic remained uniform across the board: the entrance into the ear canal is not a perfect circle, it's an oval.”
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You have to remember that unlike flat panel displays, CRTs are inherently analog devices. There are no discrete pixels in a CRT tv so there is not nessecarily the concept of upscaling (and the associated problems) that you will find with a LCD or Plasma.
Some CRTs are fixed and will simply upsample all inputs to 1080i, yet others are much more flexible. The Sony Kd-34XBR970 for example will take 480i sources and simply double them to 960i rather than upconvert them to 1080i. It can display 720p just as easily.
A set like the 970 will give you the most flexibility when displaying sources of all resolutions.