*IDC Worldwide Quarterly PC Tracker, July 15, 2009
**Source: NPD Monthly POS Data - February 2009. GfK Western Europe - February 2009.
This system may require upgraded and/or separately purchased hardware and/or a DVD drive to install the Windows 7 software and take full advantage of Windows 7 functionality. See
http://www.microsoft.com/windows/windows-7/ 
for details.