Werner is reusing old ones that they take off trucks there selling and putting them on new trucks entering there fleet
There is a mix of the 4 lines, 11 lines, and full color stylus touch screens. The latter are rare and wear out quickly. The 11 line is the most user friendly/reliable/easily serviced. If your touchscreen craps out nowhere near Omaha or Atlanta, you'll likely be running paper logs for a few weeks.