1. Windows XP has drivers roll back facility which is not 
in 2k
2. Windows XP has remote desktop facility.
3. XP includes more drivers.
4. XP has more graphics support.
5. We can uninstall XP if upgraded
6. When cd/dvd inserted in to drive XP automatically 
detects the application is to be used.
7. The Network Bridge feature of ICS was introduced with 
Windows XP. It is not available in earlier versions of 
Windows.
8. Windows XP has more bells and whistles, such as the 
Windows 
Movie Maker, built-in CD writer support, the Internet 
Connection Firewall, and Remote Desktop Connection