Lenovo recently sent in a new ThinkPad X1 Yoga with an OLED (Organic LED) display with a native WQHD resolution of 2560X1440. This display is a significant upgrade for the machine, offering a dramatic improvement in image quality in terms of brightness, contrast, saturation, and color gamut coverage. As it turns out, it also offers a notable improvement in battery life as well. For roughly a $240 price premium over Lenovo's standard IPS display option in the ThinkPad X1 Yoga, the OLED upgrade is an impressive, satisfying gain in display image quality that we highly recommend. In fact, it upgraded our final evaluation of the machine to Editor's Choice level for the OLED display-equipped variant of this Lenovo laptop due to the improved battery life and experiential upgrades associated with the better quality of the OLED panel...