1 and 2. Carrara : Yes, if you export in DXF, Wavefront OBJ or 3ds. UV mapping stays intact with *.OBJ import to Vue, but there are many kinds of 3Ds formats, sometime the automated texture import works, sometimes not. 3. Of course, the textures stays intact in animations. Only if YOU want, you also can animate the textures! 4. Yes, yes, yes !