Since the release of Snow Leoapard, there has been quite a stir because of the loss of creator codes, which were in previous versions of OS X. Creator codes allow you to choose which application opens a particular file. If you wanted to open a txt file in Word or BBEdit as opposed to a TextEdit default for instance, you could change the creator code in the file. Then when you double clicked it, you could avoid the "open with" dialogue.
Today we learn they aren't coming back. Tidbits found some new evidence that Apple has officially announced the change:
in a recent revision (17 November 2009) of its