Yeah, it's a lot to ask, but Corvette did it at a reasonable cost. I don't think the Vette has a dry sump, nor is it AWD, but other than that they nailed it.
Ford should focus on weight savings and an AWD system in a totally redesigned package. Something you take from the factory to the race track and run 30-40 minute sessions without having to worry about temps or running out of tires. A dry sump system, dual clutch transmission, and AWD with...
Another thing you can do in the meantime is to drive it in Track mode and shift late (once my car is up to operating temps I shift at around 4.5k. Remember these are high revving engines). Although Sport+ has a different throttle response which might be better aligned with what you are looking...
I don't have a S650 (yet) and haven't driven one, but I had a similar issue with my S550 until I put the FP Performance Kit in the car. It eliminated that lag at low RPMs.
(Edit) I'm referring to the CAI with the calibration kit and enhanced throttle body.