Is there a shortcut for switching pivot point? I tried looking in user preferences, but I wasn't sure what to type in there.
, : Bounding Box Center
. : 3D Cursor
Ctrl + . : Individual Origins
Alt + , : Toggle Manipulate center points
If you want to customize the shortcuts, open the Blender User Preferences > Input, set the Filter Type "Key-Binding" and type , in the search field.
You'll find the list of the Assignement Values here:
There is: it is (by default) Ctrl Shift Alt C. (I don't know about OSX-speaking s. It could be different.)