The good news for everyone is that you can get a good, solid laptop for under a grand these days. The bad news for Vista users is that many of those laptops, even though they're sold with Vista, have nothing like enough resources to run Vista decently.
This year, from everything I've seen, has lived up to the Merrill Lynch prediction that 2007 would be the year that notebooks overtook desktops to become the bigger revenue generator for PC makers. For some companies, like Hewlett-Packard, laptops have become the single most important revenue source.
http://www.eweek.com/article2/0,1895,2222308,00.asp