Ultra HD television sets will be featured at next week's 2013 International CES, Daisuke Wakabayashi writes. Prices for these higher-resolution TVs are expected to range from $8,700 to $25,000. "If you're a consumer, you'll pay more for a technology that you understand," said Paul Gagnon of NPD DisplaySearch. "And in the case of higher resolution, that's a very easy thing to understand."

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