What has changed in the scripting?
The Enter Script window has been simplified and make to work similar to the way the Add Calculated Field window works.  Whether you are entering a Dynamics GP Script or a SQL Script, the window will look about the same.  The SQL Script window will ask you which company to run the script against while the Dynamics GP Script will ask you which product to run the script against.  A list of the fields is available so that the field can be easily added to the script.  In the background, parameters are automatically created and at runtime, those parameters are read and replaced in the script.

** Scripting is a feature that is only available in Extender Enterprise