Yes Rich if your card is CUDA enabled rendering is very fast,thanks...
jaceguay; yeah big files to blender is not working, what I do is import them one by one or I model that object in blender. groups is working fine with me both blender to sketchup...
novena; yes I used HDRI for the lighting and reflections, yeah its cool alternative to high-end 3D app and it's free. Please do post some of your renders and I will post some more test in the coming days...
Peace