Just found an article on c|net about notebook sales. Sales of portable computers are soaring. c|net: "Notebooks accounted for 50.9 percent of personal computers bought at retail in 2005, while desktops accounted for 49.1 percent." The Americans are clearly mobile.
Interestingly enough, new dual core and 64-bit processors help notebook sales. "We’re seeing a fundamental shift in consumer buying behavior. We expect this trend to continue as 2006 will give the mass market dual-core processors and 64-bit capabilities," said Sam Bhavnani, an analyst at Current Analysis.

"...2006 will give the mass market dual-core processors and 64-bit capabilities." So, developers, what are you waiting for? Is your app ready or will you together with your app and all your market share be devoured by Langoliers?