Flickr user legorobo:waka has posted his wa F8 Lanius, a truly sweet mecha that hits all the right notes.  It has classic anime styling, great details, articulation and best of all, houses a minfig pilot. In particular, the details I like best are the feet/ landing gear, the hands and guns, and the classic Japanese style mecha head with the Uruk-Hai sword on the back. The way he was able to tuck the pilot into the chest cavity without it looking too bulky, or sacrificing the styling detail is pretty sweet too.