Zenvo ST1
(http://cache.jalopnik.com/assets/images/gallery/12/2008/12/smallish_3113702865_93365ced24_o.jpg)
McLaren SLR - Sterling Moss
(http://www.telegraph.co.uk/telegraph/multimedia/archive/01210/SM2_1210762c.jpg)
Ferrari FXX (finally hopefully)
(http://www.ssip.net/upload/ferrari-fxx-front-1_140.jpg)
Please post other likely candidates below :)