Today Apple launched it’s most expected ultra-portable notebook Macbook Air at Macworld 2008. The world’s thinnest notebook, weighs just 3-pounds (~1.4kg), is 0.8-1.2-inches (2-3cm) thin, and features a 13.3-inch LED-backlit widescreen display. The MacBook Air features a 1.67GHz or 1.8GHz Intel Core 2 Duo processor, 2GB of memory standard and an 80GB hard drive. The new Macbook’s price is starting with $1800 and will begin shipping in two weeks. More details.