Have you driven the SCTE and the SC10 4x4? I have. The SCTE is MUCH easier to drive. The metal chassis puts the CG as low as it can get, making it impossible to traction roll. Plus, the stock setup fro the factory works very well. The sc10 requires a lot of tuning to get it to a point where you don't have to fight it. On top of that, the ncluded sway bars help keep it flat in the corners. Anyone who has built the sc10 (you'll see tonight if you're attending) will tell you they would HATE to have to change the servo in the sc10.
My statement came from my personal experience. Owning the scte and having driven my friends sc