Good work so far! You might want to play around with making the purple a different specularity intensity. As if the paint reflected differently than the rest of the metal. Overall, your spec/gloss might be a bit too uniform, try to grunge it up a bit without altering the diffuse too much.
Scene is definitely getting there but I feel that lighting is very very raw. Colors are all over the place, it's overly contrasty and flat. Also, the background is really bright, making the foreground and midground stand out in a really weird way. I love the little mech and I absolutely love that stone sculpt and texture,…
Thanks for the great feedback I've tried to take on board allot of what you guys have said about the lighting. Borgleader - I'm uploaded .PNG but imgur seams to compress them quite abit, any tips? Madwish - Thanks for the great feedback, I have removed the green light on the floor which has helped remove that glare you was…