I believe that the Windows 7 beta is being taken down Saturday, so please make sure to download it and try it out!
http://www.microsoft.com/windows/windows-7/beta-download.aspx

It should run fine on low-end PCs like netbooks.  I've heard of some people running it successfully with 512MB ram, though that's lower than the official beta requirements, ( Read more... )

http://blogs.msdn.com/e7/archive/2008/09/06/reflecting-on-a-few-recent-threads.aspx#commentsRead more... )