Thought you all might like to see this, nice period video of the Giulia GTA and 33 race cars.
Commentary is in Italian, but that doesn't really matter.

[ame="http://www.youtube.com/watch?v=xkDqKdXw-sE&feature=player_embedded"]Alfa Romeo Dalla Giulia GTA alle 33 Prototipo - YouTube[/ame]