The top three contending platforms in Japan are the DS, the Wii, and the PSP. Usually it's the Nintendo platforms that dominate the first and second spot, but that's not the case this week. It seems the DS is losing a bit of its selling power.
For the week of January 28 to February 3, the Nintendo DS has landed on third place. No worries for Nintendo though; DS sales may have declined since last week, but Wii sales have risen. The Wii is currently sitting pretty in first place.
What's odd is that all of the other consoles have had an increase in sales since last week; it's only the DS that's declined in sales. Perhaps it's only a blip in the charts. We'll wait for next week's sales report and see if it's becoming a trend.
Here are the hardware figures for Japan for the week ending on January 27: