I work with Vray without problems in most cases, the .fbx file it's really versatile and exports everything to 3ds max and them I work with the file within 3ds max with Vray as selected render engine, it would be great to have a direct link to Vray but most of the advance mapping tools that comes with cinema 4D and 3Ds Max are a requirement.  I tested Corona and it's a direct competition to Vray, I would like to see more information about a direct (interactive) link, I know there is a good