Framingham, Mass. – According to IDC’s Worldwide Quarterly PC Tracker, PC shipments are projected to rise 12.6 percent in 2007 to 257.5 million units. This a slight increase from IDC’s previous forecast, reflecting a 28 percent year-on-year increase in portable PC volume with single-digit increases for desktops and x86 servers. This update increases projections by less than half a point from the June 2007 forecast of 12.2 percent and increases the compound annual growth rate for 2006 to 2011 from 9.3 to 9.6 percent. Asia/Pacific excluding Japan (APeJ) and Rest of World are driving the raised expectations; expectations for 2007 and 2008 in the U.S., Western Europe, and Japan were adjusted slightly downward. APeJ and Rest of World are expected to surpass Western Europe in total PC shipment volume in 2007 and will pass the U.S. in 2009.