The only real gripe I have had about OSX is that when I have a file highlighted in the Finder I want to look at a glance somewhere to see where exactly that file is. I have actually had a couple discussions with others that have not switched to a Mac because of this. I just lived on wondering why this feature was not available. Then I stumbled upon this in my RSS reader. The good guys over at TUAW had an answer! Once enabled, this is what you will see in any open Finder window.
To get this working on your mac open a terminal (/Applications/Utilities/Terminal) and then paste in this script and press enter. You will have to restart Finder to see your new and improved window.
defaults write com.apple.finder _FXShowPosixPathInTitle -bool YES