The Apple MacBook Air is a stunning laptop but it’s not the only ultraportable laptop. Which ultrabook you should buy depends on many factors, and Apple isn’t the only choice on the market. Despite lacking upgrade options the MacBook Air has gone to become Apple’s most popular laptop. It also has the very latest technology, from 802.11ac networking to Apple’s new larger and faster flash storage, and energy efficient Core i5 and Core i7 CPUs. And it runs Mac OS X, the best operating system on the market (which is doubly true now that Windows 8 is its main competitor). There’s no denying that the MacBook Air is one of the very best laptops you can buy, but it’s not the only choice. It’s also expensive, starting at £849.