with 135 miles now, I consider the car to be broken in. From 35 miles an hour you better be paying attention. When that big engine lights up it's ferocious.
I also did a burnout today. If you hold the ESP button for 5 seconds it becomes somewhat disengaged but not completely. I put it in first gear, stepped on the brake till the tires started to spin, let off the brake and did a fifty foot posi burnout before I let off with a big grin on my face. When you see the front brakes for the first time they are bigger than you thought. I've never seen even a German car with brakes this big.