From Bandai Toys comes the Catsith from Reconguista in G, released as a 1/144 High Grade model kit. Episodes of Reconquista in G can actually be viewed online at Youtube.
The 1/144 High Grade Catsith is selling for $18.52 at Amazon.
Construction Manual & Color Guide was translated to English from the Japanese manual posted at Dalong's Gunpla & Model Kit Review site. For the meaning of the symbols found in the model kit's manual, kindly refer to this post.
Paints Used & Paint Conversion Equivalents: