X270 had a very good review (4 stars out of 5), and was praised for its potential almost-24-hours max battery life.
However, it did not get the Editor's Choice status. www.pcmag.com/review/352469/lenovo-thin ... arbon-2017
That honor went to X1 Carbon (Generation 5), which got the Editor's Choice award
Daily Driver: X1 Carbon 4th Gen (X1C-4): i7-6600U 2.6MHz; 16GB DDR3 1866 MHz; 1TB PCIe-NVMe; 14" WQHD 2560x1440; LTE EM7455 Mobile Broadband; Win7 Pro 64bit
Current Thinkpads: X1C-4 | X1C-3 | X250 | X230 | T410
Retired Thinkpads: T42 | 560 (circa 1996) Also: IBM Thinkpad era computer bag !