Click to Listen Using the new Quick Look feature in OS X Leopard, you can save tons of time finding the correct file. However, most people use it like this: Quick Look a file, exit quick look view, then double click the file to launch it in the associated application. While this is easy to do... it's much easier to simply do this
How to do it:
While the Quick Look view is still open, simply press COMMAND-O and it will open the file in it's associated app.