For consumers, Apple’s MacBook and MacBook Pro lineup has presented some tough choices as the product lines have become more closely aligned in terms of basic processing power. The MacBook Pro has been long overdue for an upgrade, while the addition of the 2.4 GHz Intel Penryn-based processor to the MacBook wasn’t widely expected.
Just a month after the MacBook Air launch Apple’s MacBook and MacBook Pro have received upgrades. A new 2.4 GHz Penyrn Intel processor is available for the MacBook Black. The MacBook Black will also come with 2 GB RAM and a 250 GB hard drive. Source