I think this review is more to the point than the others I'm seen in US papers and magazines.
The C4 is a race car that happens to be legal to drive on public roads to and from track day events
Would I want one? Yes!
Would I need one? Absolutely no!
Could I afford one? Not with out going on a water and porridge cure and moving into a shed. (In Denmark it costs us$ 172.000 )