If you combine a few news articles, things get interesting:
http://www.guardian.co.uk/technology/2010/nov/29/apple-ipad-cannibalising-pc-sales
“Gartner forecasts that worldwide PC shipments for 2011 will reach 409m units” = 1.1 million per day. It is fair to expect less than 40% of these sales to be for consumers. This is an 18% growth, meaning that in 2010, we can expect PC sales to reach 138
