those older Super Corsas are uber sexy, but I'm not sure it'd be a lightweight 'racer' you're after
http://www.gvhbikes.com/special.html

THey'd be at least 1700g for the frame
http://www.bullteksports.com/miva/me...y_Code=Cinelli

The Gios is also a little chunky
http://www.gios.it/2005/eng/prima.php?page=pro-frame