This is not a joke but it is a Linux distro from Russian company.
Linux XP Desktop is a full-featured PC operating system like Windows's but based on the stable and secure Linux platform. It is based upon Fedora Core and gives you Windows XP look and feel factor.
=> You can see more screen shots here
On a related not there is nice review of upcoming VIM text editor (hey only in UNIX or Linux you will see the review of text editor).