Well, Joe I'm about out of ideas. It still seems that the <PRE> method should work, just as it did in Wolfgang's link, unless there's something else in the Mudcat page that interferes with it. Just for grins, here's a much simpler attempt:
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.