The notebooks with an aluminum chassis has just been bumped up to the Core 2 Duo platform at no additional increase in price.
For the 15.4-inch MacBook Pro, there is a choice between a Core 2 Duo 2.16GHz or 2.33GHz chip, while the 17-inch model starts off with the top-of-the-line 2.33GHz Core 2 Duo processor. In addition, there's also a speedy FireWire 800 port.
According to Apple, the 2.33GHz Core 2 Duo chip is up to 39 percent faster than the previous 2.16GHz Intel Core Duo processor and seven times faster than the older PowerBook G4 laptop with a 1.67GHz IBM PowerPC processor.