Description MacBook Air: 1.8GHz dual-core Intel Core i5/128GB/13.3″ laptop  MacBook Air Dual-Core Core i5 128GB HDD 13.3″ Laptop 13-inch notebook got a slightly speedier, 1.8-GHz Core i5 CPU, upgrading from a 1.6-GHz Core i5 processor. While we appreciate that the Air still has the best-feeling keyboard on a Mac and its USB 3.0 ports don’t send us shopping for dongles. MacBook Air laptop machine’s low-res display holds it back. However, if you’re looking for a relatively affordable Mac laptop, the Air is a solid choice.. MacBook’s laptop 1440 x 900-pixel screen has aged more poorly than any of its other aspects,…