There is no known size limit. I have not tried to import 50 MB files, but IMO all depends on the power of your machine. The complexity of your scene has no importance, Vue will read it anyway. To use Vue+Mover ONLY for Poser renders is a pitty. And you will change mind very fast. The reason is that you can create great atmospheres and vegetations, animate water and clouds in Vue:-)... and...and...and... Guitta