I didn't do one directly, but I tried to dispel the myth that traveling to Japan is outrageously expensive here:
http://www.disneytouristblog.com/save-money-tokyo-disneyland/ after being called a 1%er an irritating number of times.
That was a couple of years ago, and since then the value proposition has improved considerably. WDW price increases outpacing TDR's are part of that, but the bigger impact has been falling airfare and the dollar strengthening against the yen.
Airfare was the hurdle at that point, but I get near-daily Airfarewatchdog alerts to NRT & HND, and I've seen <$600 airfare for East Coast airports on numerous occasions. I've seen <$500 airfare out of LAX for numerous dates, too.
Park tickets, on-site official hotels, and dining are all cheaper at TDR. It's now
literally cheaper for me to visit Japan than it is Walt Disney World and that includes the unlimited 7-day JR rail pass for the Shinkansen to Kyoto. It's still a YMMV scenario based upon where you live, how many kids you have, and which tier of on-property hotel you'd do at WDW, but for a lot of people, traveling to TDR now would cost about the same or less as a vacation to WDW.