I think it's a definite improvement in terms of realism, but it also seems to lack some of the nice contrast of the previous one. That is to be expected with the addition of haze, but I think if you brighten the light source, or increase exposure, or just do some post work on it to increase brightness and contrast, you'll get back the nice "punch" the previous one had, while maintaining the new "weight" and realism that the distance haze and terrain roughness adds. Nice to see this evolving!
- Oshyan