Question
May be this will interest the japanese members of flyertalk.
Earn Double Miles on purchase！ Double Miles Campaign
Dates：September 11,2004 to February 10,2005
Earn double miles with every purchase on your Mileage Plus UC Card during the campaign period.
http://www2.uccard.co.jp/campaign/plus/index.html
i am since september paying everything with my japanese visa. and spent already 7000 usd. i think this is a cool deal for japanese cardholders, as in japan, the benefits sucks on most creditcards.