configuration upgrades

MacBook Air 2013 upgraded Intel Haswell chip, battery all day
apple's new ultra-thin notebooks still retain the same design with two 11.6-inch and 13.3-inch screen options, but the battery life is up to 9 and 12 hours respectively.
Apple reduced the price of MacBook Pro Retina and MacBook Air, upgraded the configuration
cnet technology site said apple has lowered the price of macbook pro with retina display along with macbook air. the reduction ranges from 100 to 300 usd but comes with upgraded specifications.