Attached Link: http://star-techcentral.com/tech/story.asp?file=/2005/6/9/itfeature/11155600&sec=itfeature

Who knows. According to what I read, the main factor was IBM's failure to deliver cooler/lower power chips. I think a lot of you would like a G5 in your PowerBook too, but we havent been able to deliver that to you, he said. Jobs added that although weve got great products now, and great PowerPC products still to come, we can envision great products we want to build, but we dont know how to build them with the future PowerPC roadmap. Rather than outright processing power, Jobs cited power consumption being the main reason.

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