The new MacBook Airs are thinner and lighter and promise better battery life, and with a future operating system upgrade will also offer multitouch touchscreen functionality.
"CUPERTINO, California Apple on Wednesday released a major upgrade for its mini notebook, the MacBook Air, splitting it into two sizes.
The MacBook Air will come in two flavors: a 13.3-inch model and an 11.6-incher. They both will come thinner and lighter than their predecessor, with improved battery life thats similar to the iPads, the company said."

