Media Create has released the Japanese sales data for the first week of 2005. Without further ado, here's the list:
PlayStation 2: 124,401 (Annual: 124,401)
Nintendo DS: 108,561 (Annual: 108,561)
Game Boy Advance SP: 70,851 (Annual: 70,851)
PlayStation Portable: 62,052 (Annual: 62,052)
GameCube: 19,703 (Annual: 19,703)
Game Boy Advance: 1,719 (Annual: 1,719)
Xbox: 1,179 (Annual: 1,179)