I'd say get any of them and then learn your self some Python Scripting. I got V3HyperReal because it was the best that was out when I got it and if shows examples of how to assign an new image map texture to a material. From that I'm busy constructing 'custom HyperReals' It's amasing how easy FaceOff has made these to be able to be customised. Lots of comments through out so it's like reading a road map.