Today I came across a cool little registry hack that added some functionality to Windows XP that I think I'll use a fair bit.
What this does is add both "Copy To Folder" and "Move To Folder" options to the right-click context menu, next to "Send To." It's an easier way to drop one or two files in a different location.
There are a couple of ways to implement this. The easiest is simply to download this file, right click on it, and choose "Merge." The other option is to follow the original instructions I used - here (from TechRepublic).