Beakerbox: You have a very unusual TE. I was under the same impression as SeattleMike, namely that all TE with Nav also have KDSS. Were you looking for a Nav without KDSS or did you just happen to find this one on a lot? Which dealer?
I found it at Marina Del Ray dealership. I had been searching all the dealerships around where I live and this was the only one I could find. I moved to So Cal recently to the Navi was a must as I learn to navigate this Tarmac maze. I was able to live without the KDSS in the end - having read posts on here of aftermarket suspension upgrades being cheaper and having great results on and off road. So I plan to do that at a later date!