Transform Meta Boxes Wordpress Plugin - Rating, Reviews, Demo & Download

Plugin Description
Change the appearance of a taxonomy’s meta box input in the Edit screen to something other than the Category checkboxes or Tag free text entry, allowing you to have your users easily pick from a predefined set of terms.
Screenshots
The normal Post Categories before transformation, and after; top right as a single select dropdown and bottom right as a multiple choice one.
Term hierarchies are respected by the select dropdowns.
Turn your Tags into fancy buttons.
The Settings screen will let you alter any taxonomy which has been set to show in the UI.