Use the QTeXporter script to save your quicktime export settings.

If you want to keep your export settings in order to use them again, then this script is the right toy for you.

First and most important thing: export quicktime movie with your favorite settings. (this is very important step - in order to save export settings you must set them first!). Then, with quicktime player open, start this applescript and choose "save export settings" from the list.

If you want to export quicktime movie with one of previously saved settings, choose "load export settings".