This IDC presentation provides an overview of the key trends shaping the Western European portable PC market from a screen size standpoint. This presentation analyzes 3Q11 results for both the consumer and commercial segments based on expanded screen size categorization. The long-term outlook for the screen size evolution is also covered, based on the 3Q11 update of the EMEA Portable PC Market Forecast by Screen Size. This is an internal presentation given in London in December 2011.