Titan-forge is showing off some new renders as part of their Metal Beards post-Kickstarter fulfillment.
From the update:
An unique unit, created by the wish of our backers. We weren’t planning them when creating the project, but now, when we have glued together the first models and set them in ranks, we can only congratulate you on the suggestion. With chainsaws instead of arms and steel combs on their helmets they look really dangerous.