The year-ago ultrathin 11.6-inch MacBook Air model, using a 1.4GHz Core 2 Duo chip, has turned up on Apple's refurbished section at $699, a new low price point for the model. Other MacBook Airs are also on sale, including an identical model with 128GB of storage rather than 64GB for $100 more. The $699 model includes 2GB of RAM, 64GB of flash drive storage and NVidia GeForce 320M graphics.
