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Looking at this car, it shares many of the characteristics of the Roadster. Maybe Lotus liked the job they did with the Roadster so much that they wanted to make something like it. http://blog.wired.com/cars/2008/11/lotus-evora.html
Maybe future versions of the Roadster can use the Evora dash. You could then have a proper nav system or maybe even integrate it with the VDS. Any word as to whether or not the Evora has an advanced airbag system?