Through a video posted today on YouTube, Lenovo has confirmed the arrival of the ThinkPad X1 next week on May 17. This previously-leaked 13.3-inch ultra-thin laptop is claimed to be the ‘perfect marriage of form and function’. The Lenovo ThinkPad X1 notebook has military-grade durability, 21.5mm slim, a 13.3-inch LED-backlit (1366 x 768) display protected with Gorilla Glass.