Robocopy built into Vista

OK, perhaps not news to everybody, but I was surprised to learn this yesterday.

Robocopy is a powerful file copying utility that's much more robust than COPY or XCOPY. It's especially useful for huge file copies, especially over flakey network connections. See for details.

 In fact, if you run XCOPY /? in Vista, the help text begins with this:

NOTE: Xcopy is now deprecated, please use Robocopy.