Reviewer James Galbraith (macworld.com) gives the new quad-core 27-inch iMac computers with Intel Core i5 and Core i7 “Nehalem” processors 4.5/5 mice, calling them “worth the wait.” In performance tests, writes Galbraith, the 2.55GHz Core i5 iMac was “the fastest standard configuration Mac we’ve ever tested” and the Core i7 “showed even greater performance prowess.”

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