Apple Inc. (NASDAQ:AAPL) has updated the MacBook Air line of laptops. Apple has also cut the price of the MacBook Airs by $100 across all of them. The 11-inch MacBook Air now costs $899 and the 13-inch MacBook Air is now $999. The MacBook Airs now have a 1.4GHz dual-core Intel Core i5 processor instead a 1.3GHz dual-core Intel Core i5 processor. The battery life is also slightly better.