nice shape-style! critic from an engineering student : it looks like teh mass centre is to far in the backpart so that the mecha might fall down . there shoukld be either a large conterweight on the head of the bot pe a big gun or you could put the legs less leaned backwards, more upright. or you could do the heel-pads larger and longer
You're right. Once I added more of the details to the limbs I ended up moving the torso forward on the pelvis. I also increased the size of the limbs by 15%, which seems to give a more pleasing sense of proportion to the entire thing. I'll probably end up increasing the size of the heel pads as well. It just doesn't feel quite massive enough yet.