When I started watching this video interview with 5Axis founder Troy Sumitomo, I wasn't really expecting to learn anything new about his company's Project IS-F concept, but it turned out to be pretty interesting, especially the insight into design inspiration:

Note: This is potentially NSFW, Bikinis abound.

It's very easy to picture the concept car exactly as Sumitomo describes it, you can definitely see traces of a jet fighter all through the bodywork.