"Apple Computer is on track to introduce the first Macs with Intel processors as early as January, which should help the company avoid any potential sales slow down in the first half of 2006 and appease concerns voiced by shareholders and industry-watchers, AppleInsider has learned."Although Apple has only committed to introducing the first Intel-based Macintosh systems by mid-2006,
extremely reliable sources and a several-month-long investigation have
revealed that January’s Macworld Expo in San Francisco is being primed
as the launch-pad for at least one of the Mac maker’s next-generation
Intel systems.

Surprisingly, the most reliable information indicates that the iMac and
PowerBook — two of the company’s most recently revised Mac offerings
— are targeted to be the first two Mac models to receive Intel
processors in January. The iMac and PowerBook are also believed to be
Apple’s best-selling Mac models, which explains why the company will be
upgrading them with Intel processors first and refreshing their
associated product lines for the second time in as little as four

Source: AppleInsider