Daz has a huge library of assets available, some are cheap, or even free, and some are more pricey. If you have zero experience with 3d modeling, it's what I recommend, although I do suggest you study up on studio photography a bit, lighting and camera settings can make or break a scene. But I'm biased, I'm not a huge fan of the Honey Select or Koikatsu models, and I've never even dabbled with VAM (Virt-A-Mate) so I can't speak to that one. Blender, while more advanced, more powerful, and from what I understand, has a much faster render engine, also has a steeper learning curve, and I'm not entirely certain on the quantity or variety of quality available assets.