Ejecting an iPod or a disk image!
One of the tips that I find is a real timesaver is "Command-Backspace" to send a file to the trash and "Shift-Command-Backspace" to empty the trash. The problem with that is when I came to eject a disk drive or an iPod and the shortcut didn't work. I looked for that for a long time until I realized it was built right in the operating system. With the disk image or the iPod highlighted in the Finder, you just have to press "Command-E" to eject it! A cool Automator script is coming tomorrow!