What about that old man at the beginning of this year on the M1! He bought himself a modified R8 (I was told 1000+ bhp) for his birthday, on the way home from picking it up the car lifted off at speed and he flew over onto the opposite carriageway. Apparently his son was following behind and unfortunately witnessed the whole thing.
Gotta be careful with extremes.
I got up to about 187MPH GPS in a Gallardo, at which point the front started to feel very light and I backed off. I can imagine that at 200+ it's pretty easy to accidentally turn your car into a plane.