V-Ray today is one of highest quality render tools available for production. It is widely used by professional CG artists and visualizations firms worldwide. Its proven, beautiful and super realistic image quality, at unsurpassed render speed, attracts many users from all areas.
VRAYforC4D is the Cinema 4D native incarnation of this great engine. It enables you to use V-Ray directly within Cinema 4D using the typical C4D like workflow. V-Ray is the de-facto standard in architecture & design visualization, car rendering, TV commercials, and many more areas, like in recent Hollywood Movies like 3D Blockbuster AVATAR.
Its good, its fast, its stable!