It is Macs that will help Apple most when it announces the results of its latest quarter tomorrow, argues research firm Piper Jaffray. While it is believed that NPD is overestimating Mac growth at 48 percent year-over-year, The Street's prediction of 32 percent is also said to be too low; Piper is anticipating 38 percent, equivalent to 2.1 million...

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	www.macnn.com/articles/08/04/22/piper.macs.push.margins/