Audio Ease has released Snapper for Mac OS X.
Snapper is a waveform overview window that appears right beneath the Finder window, as soon as you select a sound file. Snapper shows and plays the audio, and optionally converts the file. Any file: split surround, mp3, 192 kHz, nothing is a problem. If you make a selection in the waveform you can do a multitude of things with it, like drag it out to create a new file, upload the selection to the Pro Tools cursor, or attach it as an mp3 to a new email. All with a single click.
Snapper costs $79 / €59, and has a 100 day fully functional demo.