Seems like we'll have to wait a good while for Apple do anything more with OpenGL.
Anyone interested in making a Carbon version of the SetupGL demo?
I'm not sure what to do about the Drawsprocket fading and fullscreen code though, since I guess they dropped that for OS X.
Re: SetupGL Carbon
I have got full-screen working in OSX (beta) w/ Carbon by using Quicktime's BeginFullScreen()/EndFullScreen() calls. If the gamma fade out to black is all that important this could always be simlated by doing an alpha fade with a single black quad the same size as the display