I will be buying a MacBook Air online. I will buy my MacBook Air at apple using their online store. My MacBook Air cost $899 and is 11 inches long. My MacBook Air cost $978.79 including tax. The shipping is free. The manufacturer is Apple. The Macbook air that I am buying has 4 gb of memory. The MacBook Air has a 1.6GHz dual-core Intel Core i5 processor. Some special features that my MacBook Air has are 6,000 Intel HD graphics and turbo boast up to 2.7GHz.