Thought those in the IS-F forum might be the most interested; the five web TV episode has Vicky driving the prototype:

[url="http://fwd.five.tv/videos/fifth-gear-web-tv-edition-4"]http://fwd.five.tv/videos/fifth-gear-web-tv-edition-4[/url] (Skip to 6:43)

Thanks. I saw this car at the festival of speed. Didn't think it looked particularly special, but hopefully the production one will!