In addition to the introduction of the OS X Mavericks and some upgrades to the iLife and iWork applications, Apple detailed the new MacBook Pro. It is a 13-inch notebook with retina display, a thinner body, at 3.46 pounds and 0.71 inches thick, and a faster operating system. It is available starting on Oct. 22 for $1299. The 15-inch MacBook Pro is $1,999. The MacBook Airs are still available for $999 for the 11-inch and $1,099 for the 13-inch.