I bought my first two Dillon RL450 presses somewhere around 1984. I sold those when I moved but bought another RL450 and then an RL550. They show me on their computer system in 2003 and I've done business with them regularly even before then. Your experiences with Dillon are exactly the same as mine.
There are two companies that have gone out of their way for me EVERY time:
They don't get any better than these folks!