Vista has Robocopy which is damned superior to Xcopy. Read up on it and learn the ins and outs...
If the drive is on the network someplace, it's relatively easy to create a batch file to do that sort of thing, or perhaps use Vista's Backup and Restore capabilities. Get started with more info here:
http://www.microsoft.com/windows/products/windowsvista/features/details/backup.mspx