Not sure if this thread will 'take' or not, but I thought a depository for bonuses and deals specific to those based in or going to Japan might be useful here.

Here's one I just came across on the AA forum:
http://www.flyertalk.com/forum/showthread.php?t=874536
Detailing a hefty bonus for those flying AA from Japan to the US (5,000miles for those in economy, 10,000 for other classes)