The 360 is still posting sales the original xbox would have died for, I doubt Microsoft expected much better numbers than they've achieved. Japan support was all about getting devs on board, they have them now so they can coast for the rest of this generation now in Japan.
That being said this is boring old news discussed every week, we do get that some of you must insist on gloating every single week though.
To add some nice balance, PS3 sales falling like a stone and will probably steadily drop to around 10k by the end of March. It's had the Slim, a price cut and FFXIII and its been decimated by the Wii still, PS3 is dead in Japan too.