This is a maya locator node that can be used for rigging as well as a part of a larger pipeline system. It has been used on 5 feature films as well as a number of commercials.
Now supports viewport 2.0 in Maya 2012.
Now with source code include so no excuse for not using it :-).
Download
afiLocatorNode
Documentation
Important
Source code will be available as soon as possible. (I am cleaning up the code and the build environment)
Supported Maya versions:
7.0, 8.0, 8.5, 2008, 2009, 2010, 2011, 2012(win64)