[polyman]

Hi. It looks real nice.
I think you should definitively use v-ray, for as little different it seams, it provides far more realistic lightning, which is crucial to realism.
As metalRahul said, it could be more realistic. But I think that decreasing reflection won't fix it, at least not significantly. Are you using fresnel reflections? In my opinion, the reason why the scene looks somewhat mechanical is because of the uniformity of materials, if you know what I mean – everything is too clean & perfect. So, the bottom line is: add some variation to the materials – little imperfections that exist in the real world. (Nothing too drastic, on the other hand.)

Send more updates soon.