September 2008 NPD sales data

Hardware

PlayStation 2 173.5K
PlayStation 3 232.4K
PSP 238.1K
Xbox 360 347.2K
Wii 687.0K
Nintendo DS 536.8K

Top 10 software

360 STAR WARS: THE FORCE UNLEASHED LUCASARTS Sep-08 1 610K
WII WII FIT W/ BALANCE BOARD NINTENDO OF AMERICA May-08 2 518K
360 ROCK BAND 2 MTV GAMES/ELECTRONIC ARTS Sep-08 3 363K
WII MARIO KART W/ WHEEL NINTENDO OF AMERICA Apr-08 4 353K
PS3 STAR WARS: THE FORCE UNLEASHED LUCASARTS Sep-08 5 325K
360 MERCENARIES 2: WORLD IN FLAMES ELECTRONIC ARTS Aug-08 6 297K
WII WII PLAY W/ REMOTE NINTENDO OF AMERICA Feb-07 7 243K
360 MADDEN NFL 09 ELECTRONIC ARTS Aug-08 8 224K
WII STAR WARS: THE FORCE UNLEASHED LUCASARTS Sep-08 9 223K
PS2 MADDEN NFL 09 ELECTRONIC ARTS Aug-08 10 158K

Source