I'd check out eBay, personally, look for good feedback, and preferably an actual store, not an individual and it tends to go just fine. Play the game, use PayPal, and you're covered by insurance.
As for getting another camera instead, the heart wants what the heart wants.
You could also try http://japancamerahunter.com/ he helped me get a Bessaflex, he finds cameras in Japanese dealers, charges a small fee and sends it to you. I'll bet in a second hand dealer in Japan, the Classica will be quite cheap, as it's not "special" over there, as it is in the west.