I've been developing 120 400 speed .edu in XTOL straight lately and I'm happy with the results. I haven't been able to do much testing, so I can't really go into to much detail other than the fact that nothing bad has happened! I've shot it at 400 for the most part. I did accidentaly shoot it at 200 EI and that didn't work too well. Oops.
I've also used XTOL for .edu in 4x5 200 speed sheet film, and with Arista Pro 125 film and all work well.
I haven't scanned anything to share yet unfortunately.
I called Freestyle a few weeks ago to inquire about the .edu films in Perceptol. They told me that the .edu film was Forte Pan. I just looked up Forte Pan at http://www.digitaltruth.com/devchart.html. Those times work like a charm. I'm sure there will be XTOL info there as well.