Full Review here: http://hothardware.com/articles/Lenovo-ThinkPad-X1-Ultralight-Laptop-Review/
Lenovo's Thinkpad X1 is a formidable system; it's generally being billed as Lenovo's champion of choice vs. the Macbook Air. That comparison makes sense based on the Air's visibility but the X1 is set to compete across the entire spectrum including new thin and light machines from Dell and HP.