j´ai un lien pour le Space World :
http://cube.ign.com/articles/522/522559p3.html
c´est ecrit sur cette page :
Q: When will Nintendo reveal more about Revolution?
A: Before the end of the year, according to company president Satoru Iwata. Nintendo may opt to hold a Space World show in Japan to debut more details about the console. Traditionally, Space World events have taken place in the August or September time frames.