Welcome to the Macintosh! Nowadays it's not a big difference how to use TeX on MacOS or any other Unix.
==Minimal ConTeXt==
The "ConTeXt minimals" distribution is the recommended way to use ConTeXt on any OS.
For a Mac tutorial see the mac section under [[ConTeXt_Minimals]]
==MacTeX==
The A straightforward way to to install ConTeXt on MacOSX at the moment is via the [[http://www.tug.org/mactex/ MacTeX]] distribution. The distribution includes [[http://www.uoregon.edu/~koch/texshop/ TeXShop]], and many many other goodies.
* [http://www.tug.org/mactex/ Download and follow the instructions] (if you have a broad bandwith internet connection)
* uninstall both <i>"gwTeX Support: ConTeXt updater"</i> (<code>context-update.ii2</code>) and <i>"DEPRECATED gwTeX based on teTeX"</i> (<code>tex.ii2</code>)
* install <b>"gwTeX based on TeXLive"</b> (<code>texlive.ii2</code>) and <i>"ConTeXt updater"</i> again
==Minimal ConTeXt==
There's a minimal TeX/ConTeXt distribution available from [[http://minimals.contextgarden.net Minimals]] without the unneccessary stuff (LaTeX etc.) from TeXlive.
For a Mac tutorial on minimal ConTeXt installation see the mac section under [[ConTeXt_Minimals]]
==TeXshop==