I, too, own only one. I like it a lot and it smokes great. Seeing this thread reminded me that there was a handsome Kai at a good price on a Danish site that I've had my eye on. Went there and it was sold!!
The European vendors are the best source for 9 mm pipes. Besides the Danish Pipe Shop you might look at Haddocks Pipe Shop (dutch) and Cigarworld.de (German). Both have many filter pipes.
If you visit the eastern slope of the Rockies you know the Colorado often envisioned is gone. And Californians are not appreciated!!
By the way, my vote for Jesse's new home is Santa Fe.