You're wrong about everything. How you can say Windows is open??? Can you name me one open source component of Windows? Does Microsoft give their dev tool for free? MacOS X Is OpenSource like linux, if you code for X11 that come on the Mac, like you need to do on Linux, every API you will work with will be open source. Only the GUI is copyrighted and the devtool is totally free and come on the install disk that come with the computer. So cut your opensource crap, and coding license that doesnt existe on the MacOS X. Yes you need a licences for selling iPhone software, but you can code-test-deploy you own software on you mac-iphone-ipod-ipad without paying anything to anyone.

It will never come. DirectX was made by M$ to kill SGI and OpenGL all together. Everything as been settle when Microsoft bought Bungie 2 week after showing an OpenGL version of Halo at the Mac World keynotes.