Apple MacBook Air
Apple's MacBook Air is not an ultrabook per se, but it was the first mainstream laptop to go ultra-thin and light. It stirred up the market and forced Intel and Windows OEMs to design machines that are lighter, thinner, faster and cheaper. Here are the MacBook Air specs.
• 13.3-inch display (cheaper 11.6-inch model also available)
• 1.7GHz dual-core Intel Core i5 with 3MB shared L3 cache
• 4GB of 1333MHz DDR3 memory
• 128GB flash storage or 256GB flash storage
• 7 hours of battery life
• Mac OS X Lion
• 0.68 inches thick
• 2.96 lbs.
• $1299 (128GB flash storage), $1599 (256GB flash storage)