The article can be found on Blue Oval News' web site at
www.blueovalnews.com by going to vehicle news and scrolling down to excursion. The assessment was favorable for the "x" for the body , but decidedly less so for the PSD, which the engineers can't wait to put to rest. Too noisy and too little power! They also say they only expect 10% to 15% of the "x's" to be PSD's, although this report was made last December. Oh yee of little faith.
There's also an interesting report of the upcoming new PSD named the G2, which compares the old with what's expected. Look for that report in the engines section.