Porsche has hinted at a "spectacular" debut for an unspecified model at the Detroit auto show next month. Could a production-ready 918 Spyder be it?
(http://imgs.blackfalconmedia.com/2010/12/30/medium/20437870371748690623.jpg)
Porsche 918 Spyder rendered - model may debut in Detroit (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/Gl-q7uYRoYQ/porsche-918-spyder-rendered---model-may-debut-in-detroit)