Blender 2.77 PBR Test

Hi fellow Blendernauts. I have been experimenting with PBR materials in Blender 2.77 (Cycles)
After been watching CynicatPro’s Blender PBR Tutorials, a was hooked. In his tutorials he is covering the make of node groups or shaders that can be combine with other standard Blender shaders, to get Physically correct materials.
In his tutorials he is not using any kind of Image textures, so I basically have no idea how to implement them.

So I am experimenting. Here is what I have so far. The first one is from Substance painter, the other is from Blender.

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I found a nodesetup by : texasfunk101 that works nice

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can you share file pl?