Six Month Totals (North America): Gameboy Advance 3,647,250 N64 2,477,500 PS2 2,450,500 XBox 2,184,500 PSP 2,070,750 Nintendo DS 1,988,750 Dreamcast 1,861,000 Gamecube 1,652,250 XBox 360 1,649,250 Year Totals (North America) Gameboy Advance 7,682,500 PS2 4,643,500 PSP 4,396,250 N64 3,884,000 XBox 3,526,750 XBox 360 3,195,500 Nintendo DS 2,754,000 Gamecube 2,634,500 Dreamcast 2,168,500 Japan 26 week total: Gameboy Advance 3,338,750 PS2 2,911,750 Nintendo DS 2,330,250 PSP 1,566,750 N64 1,403,500 Gamecube 1,251,250 Dreamcast 744,000 XBox 261,250 XBox 360 145,000 Japan 52 week total: Gameboy Advance 5,310,000 PS2 3,867,750 Nintendo DS 3,764,750 PSP 2,336,500 N64 2,191,750 Gamecube 1,580,750 Dreamcast 1,296,000 XBox 378,000 XBox 360 195,500 Combined Totals Japan 26 week and North American 6 month Gameboy Advance 6,986,000 PS2 5,362,250 Nintendo DS 4,401,000 PSP 3,637,500 N64 3,881,000 Gamecube 2,903,500 Dreamcast 2,605,000 XBox 2,445,750 XBox 360 1,794,250 Combined Totals Japan 52 week and North American 12 months Gameboy Advance 12,992,500 PS2 8,511,250 PSP 6,732,750 Nintendo DS 6,518,750 N64 6,075,750 Gamecube 4,215,250 XBox 3,904,750 Dreamcast 3,464,500 XBox 360 3,391,000 Now, this certainly doesn't paint the complete picture (without data from the rest of the world there is a certain slant against certain platforms) but it become clear which platforms are going to be highly successful after about 6 months or a year ...