Nintendo said it will launch the <A HREF="http://www.businessweek.com/ap/financialnews/D8C27OJG3.htm?campaign_id=3D">GameBoy Micro</A> in Japan on September 13 and the United States on September 19. It'll be priced at $109 in Japan and $99.99 in the United States, has a two-inch screen and comes in four colors