When using any of the Vegas inbuilt templates for rendering for DVD Architect I usually run into problems with deciding the bitrate in order to fit the whole video onto a single DVD/Bluray disc. Every time I have attempted to render directly to the final required format I end up with DVD Architect telling me that it has to re-render the video because it won't fit onto the disc. I would very much like to render directly rather than having to do an intermediate format like standard DV avi  for DVD or bacvk to Sony XDcam for HD material.