Running X Without User Privileges
The X Windowing System is the graphical backbone of most UNIX-like operating systems (and OpenVMS) - despite lots and lots of criticism, the system has withstood the test of time. Despite its age, development on X has not slowed down - in fact, it only seems to have picked up. A few weeks ago, we had kernel-based mode setting, and today we have the X server running as user instead of root.
http://www.osnews.com/story.php?news_id=19736
