http://www.autobloggreen.com/2009/08/05/frankfurt-preview-mazda-mx-5-superlight/
It's a lightened NC, pure show car. However, with regard to the downsized Miata thread that was perking a few days ago, you get this quote:
"Mazda has been saying for a while now that the next-gen MX-5 would be about 10 percent lighter overall, and it's likely that the refreshed 2011 model year MX-5 Miata could get a downsized gas engine, maybe with a turbocharger and direct injection."
