Congratulations USA448! Isn't it exciting to have one of these beauties to take you into adventure? We have had our "formerly known as a Safari LS SE" for almost 2 years, and so far, not a sign of filiform corrosion. So it may or may not happen. Don't let fretting about the possibility dampen your pleasure, although it is a very real and serious issue.
What interior did you get? Post some pictures!
As far as keeping it new is concerned: Will you be storing it inside or out? Ours is in it's own garage, and we wash it down after every trip. It gets an occasional waxing and detailing, and so far all is good and it still has a nice new look. And it's shiny!
And we love it!