 "Apple MacBook Air - 13.3" Core i5 OS X 10.8 Mountain Lion 4 GB RAM " Apple MD231LL/A Notebook Computers CDW.com
"Sure, MacBook Air is unbelievably thin and light. But they also designed it to be powerful, capable, durable, and enjoyable to use, with enough battery life to get you through the day. That's the difference between a notebook that's simply thin and light and one that's so much more." 
 "Apple MacBook Air (13-inch, Summer 2012)"@en (13-inch"@en
 but lowered prices continue to make it the go-to mainstream recommendation for any MacBook owner-to-be."@en "This year's Air opts gradual improvements rather than anything revolutionary
 Price as reviewed $1,199 Processor 1.8GHz Intel Core i5 ULV (third-gen) Memory 4GB, 1,600MHz DDR3 Hard drive 128GB SSD Chipset Intel HM77 Graphics Intel HD 4000 Operating system OS X Lion 10.7.4 Dimensions (WD) 12.7x8.9 inches Height 0.11-0.68 inch Screen size (diagonal) 13.3 inches System weight / Weight with AC adapter 2.98 pounds / 3.68 pounds Category ultrabook