Just a small update about the first week sales of the PS Vita, so far the Vita has sold over 320,000 units in Japan. For comparison, the PSP sold over 160,000 units in its first week when it launched back in 2004, and the 3DS sold over 370,000 units in its first two days on the market. Below is the full first week sales comparison for all the platforms.

First Week Sales Comparison:

DS: 441,485
Wii: 371,936
3DS: 371,326
PlayStation Vita: 321,407
PSP: 166,074
PlayStation 3: 88,443
Xbox 360: 62,135
PS2: 630,552
GBA: 611,504
GameCube: 133,719
Xbox: 123,929
Dreamcast: 101,490