The thickness of limbs is relative...and I think the later versions of GW miniatures just went way too far. These are humans after all! To make the bodies thicke is possible...but then you get real issues with makign them bend smoothly. The animation distorts the mesh a lot more, and you get very poor joints. They look OK to me, and move and flex nicely. Some things you just have to live with! I am more worried how I am going to do the elite Champion type units. They MUST be bigger and chunkier than the Warriors

I can try and tone down the green easy enough, but the red I like....
Blue and purple are spot on for me as well.


and...just for fun ... I have mounted the Marauders and given them spear primary weapons: