http://www.giantbomb.com/podcasts/
You can play their podcast MP3 files (by hitting "Play", naturally) and you don't get tossed over to a Quicktime player like you do when you normally click on MP3 files on iOS.
I thought this might be done via the HTML5 <audio>
tag but based on the page source it doesn't appear so.
Does anybody know how they do it?