Not only does it add one a most useful functionality for the advanced WP developer, this plugin also provides a beautiful interface for creating a CPT.
A couple of suggestions to make it 6 Star: :)
2) Export PHP Code so we dont need to include the plugin to generate CPT and CPTonomy
3) At least export XML or Serialized data so we can more easily recreate the fields and settings on other systems
Thanks for this stellar plugin!