this is My version of NX-01 but in the style "mirror mirror" ,a famous episode of original star trek tv show ,and into enterpriese fourth's season , episode 18 and 19 "Like in a dark mirror" ,,i worked a lot with nodes to make alpha shadinding after i seen a tutorial on the web ,basicaly rely on mix shader that mix difuse or glossy shaders with a transparency shader using as mix value the alpha channel of the image ,originaly the mesh was created by me with 2.42 than i converted it fixed here and there ,finally converted to cycles .
Looks good... I think you could throw an Edge Split modifier on it to make sharp edges where needed. That'd be a simple thing and probably do a lot. But I like it.