Jalopnik seem to have found a source with more information about this car
http://jalopnik.com/aston-martin-s-1000 ... 1781090594
Key Points:
To be called AM-RB 001
7 litre V12, 1000 HP
2300lbs (1043kg)
'Negative space' and no wings/spoilers
"Venturi Channels" fed from normal AM grille
Tandem seats in a slight v shape
Similar to Caparo T1
99 to be produced