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Three new iMacs were unveiled at an event held Tuesday at Apple's Cupertino, Calif., headquarters. There will be two 20-inch iMacs with different specifications, and a more expensive 24-inch model. The 20-inch systems will cost $1,199 or $1,499, depending on the configuration, and the 24-inch system will cost $1,799, $200 less than the current 24-inch iMac.

Credit: James Martin/CNET News.com

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