*breaking news*
The Xbox price drop in japan has allowed it to surpass the PSX and GCN!! Its amazing.. but sadly, its not
just click the links to view the charts.
Big Chart Close Up Chart (Sorry, you have to right click and copy it into another browser.. the host just changed the way it worked)
Wow, what a large spike for a price cut to 24,800 (199.744 USD) 
 
 I think the japaneese just gave up and started ignoring it.
Nintendo is dropping its price begining of june, which explains its sudden slack.. I wonder how high it will go?
exact salesSCE PlayStation 2 65,200 1,705,300 
Nintendo GameBoy Advance 30,900 1,187,700 
Microsoft Xbox 7,400 193,600 
SCE Playstation 4,800 114,800 
Nintendo GameCube 2,500 563,200 
Nintendo GameBoy Color 1,200 50,400 
BANDAI Wonderswan Color 1,100 83,600 
BANDAI Wonderswan 500 3,900 
Sega Dreamcast 400 16,000 
Nintendo N64 160 4,400 
Nintendo GameBoy 40 3,800
EDIT:
The xbox was 34800 yen or 280.495USD...