Here is an animation test of metal alien giant walking. I've used 3d max to animate and vray to render. And for post production I've used After Effects. It took me about 60 hours to render this animation in 720p. It has displacement turned off to save render time. With displacement it would have more detail. One day I would like to render this in 1080p with the dispalcement but render times are even scary to think about.
Download link of a 720p video clip attached in the post bellow.