I'll be following this thread with interest. Dunno myself.
At the local swapmeet there was an Italvega for sale in sad shape. The sew-ups were rotting on the wobbly rims, the front Campy derailleur was worn through. Most of the components other than the shift levers were a mix of Suntour & low end Shimano. The guy manning the booth told me proudly that they were selling the bike for $500.00 because it was an Italian bike with Full Campy and Sew-Up tires. Pointed out that it wasn't full Campy, or even a good percentage. Got a blank look. He had no clue what it meant. At the same swap meet was a nice Univega in rideable condition for $150.00