Yup, I am building one...but chose it because of recommendation from several friends who beat the snot out of theirs (in nitro form), and they just don't break. They handle pretty decently too for a RWD truck, though I can't say how well they can put down BL power. Here's the link with a bunch of pics:
Project Link
As you can see, they're just *built*. 4mm 6082 chassis, 6mm stainless rollbar, massive suspension components (the wishbones are 10mm thick at their thickest point), layer upon layer of carbon-fibreglass composite for the shock towers, M4/M5 hardware, all steel gears apart from the spur (with a massive steel ball diff), massive bearings...it's ridiculously beefy (though slightly smaller than a Savage). Wheel options are limited as of stock because of the usual fitting, but you can get 23mm adaptors. Battery fitment could also be tricky, though I've sorted that out for mine. Just do a search on YouTube, and you'll find a bunch of vids of nitro Havocs. It's even marketed as a "Stunt Truck".
Sorry, I don't mean to hi-jack your thread in any way! I do think the Havoc could be an good choice for your application, though.
