It's not McBook Air, it looks like one. Samsung launched series 9 laptop NP900X3A which is designed with mobility in mind, thanks to a Duralumin enclosure complete with arching curves and remarkable durability. Duralumin is twice the strength of aluminum, despite being light in weight.
Intel® Core™ i5 Processor 2537M
Genuine Windows® 7 Home Premium (64b)
Intel® HD Graphics 3000
128 GB Solid State Drive
3 W Stereo Speaker (1.5 W x 2) with HD Audio
1.3 MP HD Webcam
12.9" (W) x 8.9" (D) x 0.62" ~ 0.64" (H)