I have a couple of these I'll need to finish up once the codex hits next weekend. I love the idea of them using the Rhino chassis for Wagons as there are probably a ton of destroyed hulls all over old battlefields. I used parts from the Battlewagon and Stompa kits for a lot of these.
I plan on pulling the old rivets from these and replacing them with some smaller ones. I'm probably gonna stick with blue for my army, as I really dig the Deff Skull Clan theme.
Getting very psyched for new greenskins!