the GM rep that was just here told me that the base V6 is going to be a 250hp 3.6L, then a 3.6 VVT engine that makes around 300hp (Cadillac is using it in the CTS currently) and then an LS2 V8 that makes 400hp. I want the LS3 Supercharged V8 they have been teasing me with for too damn long