Are you using material blending shaders for your metals in your scene? For example that surface that the chairs are sitting on, that black looks very opaque and the underlying metal from the scratches looks like it would reflect a lot more.
I think you should try working on defining your different materials more. For example, the chair materials are reading as the same material, just with a different color. It looks like the roughness values should be different on certain parts of the chair but it's all reading as a single roughness value. If you can define…
Tobbo: Thanks for the feedback. While I agree that I could probably stand to put some more contrast on materials definition.. I have to chalk this one up to bad lighting. I will show some better shots of the chair and I would like to hear your feedback again. I actually am using very different gloss levels on the chair.…