+1 on the zero s. Unbelivable for the money. Plus, all the hop up parts go to it's race version (the zero, perhaps the xi too). A mate of mine plans to buy one of these soon for our local 540 comp. With a brushed setup, and a cheap servo your looking at about $340 for EVERYTHING you need. From chassis to paints, even a few spares. You'll need another $50ish total shipping depending where it all comes from.