yeah.. check out play asia... if its sold out then its out of print....
most of the time anime stuff is run in limited number and when they run out, and there isn't a big market from it, then its usual not reprinted... same goes for statuettes and all that kinda stuff.... being out for a little while, and being a short series, there really isn't a market for it at least in japan... and japan cares nothing about 'western' anime watchers.... they say so constantly at anime expos