Apple MacBook Air MD231LL/A 13.3" LCD Notebook - Intel Core i5 Dual-core (2 Core) 1.80 GHz - 4 GB DDR3 SDRAM - 128 GB SSD - Mac OS X 10.7 Lion - 1440 x 900

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.