May NPD: Xbox 360 stays on top

From joystiq.com : [QUOTE] Without a solid historical basis, determining the month's top-selling console might be difficult. So we'll give you a hint: It's been the top selling console for 11 of the past 12 months. That's right, it's the Xbox 360 which managed to move 270,000 units according to Microsoft, representing 39% year-over-year growth and marking the "seventeenth month of year-over-year hardware sales increases," according to a now routine email boast from Redmond

May NPD: Xbox 360 stays on top