As a part of the Star Wars 30th anniversary celebration/otaku milking, a Darth Vader style daimyo samurai armor miniature (looks to be about 1/3rd life size) has been created. Limited to a 100 sets, it costs a mere 333,000 yen and comes with a Mustafar like background image. There is also a helmet only version at 180,000 yen for those with less coin.
fairly monstrous google translations of ITmedia piece on it
http://64.233.179.104/translate_c?hl=en&ie=UTF-8&oe=UTF-8&langpair=ja%7Cen&u=http://www.itmedia.co.jp/news/articles/0703/09/news082.html&prev=/language_tools
Manufacturer's page
http://www.yoshitoku.co.jp/sw/index.html
Akibablog on the set up of a display in Akihabara
http://www.akibablog.net/archives/2007/04/yoshitoku_starwars_070418.html
