I dont think it's just about speed. I think its about overall class and with that comes the power thing. Im sure if you had just bought an E63 and now this C63 comes out and at $20k less you'd be saying "wtf happened here?" IMO This would be like it BMW gave more HP to the M3 than M5/M6. Although at the end of the day the M3 may be faster (which we don't know yet), the M5/6 people can still say they have more HP and paid a considerable amount more.