The announcement of a new personal computer is rarely a big deal. In most cases, new laptops are perhaps a little faster, a little lighter and have a tad more battery life than their predecessor. But the three new PCs that Apple announced on Tuesday — two laptops and a desktop — are using a new Apple-designed chip that the company is billing as a game changer.
Click here to read more -->Larry Magid: Apple ushers in a new era for the Mac
