X-bit Labs has made nine personal computer predictions of 2009, you can check it out over here. Here's one of the predictions:
Hard Times Push Light Systems
During the times of economic downturn end-users tend to save money amid uncertainties. As a result, some end-users who were looking at inexpensive notebooks may now start buying netbooks instead.
Originally, notebooks were designed for road-warriors and were not intended for typical end-users and multimedia enthusiasts. However, as many people started to value mobility and small form-factors (compared to desktops) of notebooks as well as because of aggressive ad campaigns of Centrino early this decade, mobile computers started to gain popularity. Nowadays every family member may have her or his own personal computer without installing a rather huge desktop..