Problem: You're using the Mac Finder, and you're in one directory, and you need to move to a directory/folder that is somewhere else in the system hierarchy. It sure would be easy if you could just type in the name of the folder you want to move to, but you don't know how to do this.
Solution: Whenever you're using the Mac Finder, or other Finder-related components in Mac OS X applications, you can use this magic keystroke to let you type in the name of a directory/folder that you want to move to:
Every year that I see the performance numbers on Mac Pro systems, I wonder why their disk subsystems are so slow compared to iMacs? Looking at these new 2009 performance numbers from Macworld, I'm again amazed that an iMac is faster working on a Zip archive than a Mac Pro is.