While reading some news on the web found out this nice project: ReactOS. It is an Open Source analog of M$ Windows, compatible with drivers and other stuff. I do not know if I will ever make some use of it since I run Linux everywhere where have a choice, but still – quite cool stuff and I really think that there are many people who can make tons of use from this project, especially if the project will be developed far further :)
P.S.: downloading the image of SVN release to check on VMWare – I am very curious :)