PBR with a Pabst Blue Ribbon can rendered with roughness, specular, metalness, detail, normal, shadow map, albedo, AO all laid out on UVs mapped to perfection. Go polycount go!
In the US, PBR stands for Pabst Blue Ribbon, which always gets a chuckle out of me. [ame="http://www.youtube.com/watch?v=snhiofL2Rh4"]Blue Velvet Pabst Blue Ribbon - YouTube[/ame]