Now that the NPD has decreed our mere mortal minds are unfit to handle hardware sales figures, we're tasked with finding information from alternative sources -- wait, what's this? Aaron Greenberg just tweeted that the Xbox 360 bested the competition for the fourth month in a row? Search: complete.

Consider it the Halo: Reach bump. Previously, the Xbox 360 enjoyed three months of strong sales thanks to a hardware refresh, but Bungie's 343 Industries' franchise has been known to move consoles, so it's no surprise Microsoft dominated September. Greenberg elaborated in his following tweet that Microsoft sold 483,989 hardware units in September, "a 37% increase over last year." He also claimed the console is the only system with higher sales year-over-year
Source- Joystiq