Linux XP Desktop is a simplified and fine tuned system based on Red Hat Linux / Fedora. Linux XP Desktop 2006 is based on an updated Fedora Core 3. The graphical user interface (GUI) is based on a «fine tuned» GNOME environment. The system includes specially developed setup and integration software, as well as some additional drivers and applications.
Screenshots, release notes and downloads are available here:
http://www.linux-xp.com/whats-cool/lxpd-2006-sr2/