How to convert .ipcc file to .bundle

So you've got an .ipcc file and you want to unpack the .bundle directory - well it's just a zip file (like a few other things e.g. .jar files). So just run unzip:

$ unzip random.ipcc

You can find a list of them from http://phobos.apple.com/version - go to that page and sift through the XML till you find the one you need and copy the link and paste it into your browser to download it (or use wget or curl to get it).