This is only one week's sales, but in Japan, for the week of April 18th to 24th, the DS outsold everything else combined in the hardware category.
Japanese hardware sales for April 18 - April 24:
Platform - This week's sales
NDS: 96,191
PS2: 33,080
PSP: 33,004
GBASP: 10,820
NGC: 8,329
GBA: 422
XBX: 112
Or
DS: 96,191
Everything else: 85,767
http://www.gamesarefun.com/news.php?newsid=4781I also enjoyed how the Xbox barely made it over 100 units sold. That's pretty damn pathetic.