http://download.cnet.com/Boom/3000-2139_4-75337764.html#editorsreview "Boom works mostly in the background to enhance the audio quality of anything you're playing on your Mac. You can adjust the program's settings any way you want and at any time, and you'll likely be impressed at the increased clarity this app provides." It's also supposed to be able to allow users to exceed normal volume limits (like the max volume output on your MacBook Pro built-in speakers.. I'm a little weary of this though.. Enhances audio quality? Is that just a clever marketing way of saying "it compresses the **** outta your audio to make it seem louder"? Thoughts?