Forrester Research, a consultancy, has published A Forecast Of Windows Vista Consumer Adoption. Alas, it costs $249. But the online flyer says that it contains the following illustrations:

Figure 1: Consumers Keep Their Computers Forever

Figure 2: Consumers Are Moving To A Multicomputer Era

Figure 3: Income Is The Biggest Predictor Of Multicomputer Ownership

Figure 4: Forecast: US Windows Vista Adoption, 2007 To 2011