I've been using the same too-short sunshade that I picked up for cheap at Walmart in 2009, which had recently started disintegrating.
The new WeatherTech one is custom cut, so it has the extra 10 inches in height to cover ALL the glass on this giant windshield and even comes down to get the wing windows, too. I am looking forward to not having to carefully perch the sunshade on the visors, hoping it doesn't fall down during the day!