Alacrist on 09 April 2007
I liked your chart but:
Playstation Family: 233m units (105m for PS1, 128m for PS2, 3m for PS3)
PSP:21m units
Gameboy Family: 199m units (via Wikipedia for GB, GBC, GBA, GBASP, GBM)
Nintendo Family: 170m (via wikipedia for NES, SNES, N64, GC and VGchartz for Wii)
Double-Screen Family: 40m (DS + DSLite)
Xbox Family: 35m (Xbox + Xbox 360
