The PXW-X180 has an OLED display which is better than most similar spec camcorders that have been on the market for around the same time as it. Most video cameras of this type and age have a TFT LCD display. OLED displays provide a better image with higher contrast ratio than LCD displays.
This video camera's display (OLED) is in fact the best display amongst all video cameras that have been available for around the same time as the PXW-X180.
The worst display amongst similar types of video camera is TFT LCD.