The leaks should've already told you most of everything you need to know about the Lenovo ThinkPad X1, but here's some affirmation of perhaps the most relevant bit of info, the release date. Amazon has listed the ultraslim 13.3-inch laptop for pre-order, giving it the extremely specific price of £1,292.52 ($2,120) and a shipping date of May 20th. That's a heftier price tag than you'll find on Apple's 13-inch MacBook Air, however Lenovo will provide you with the latest generation of Intel processor -- in the shape of the 2.5GHz