I have mixed feelings about this: on the one hand, you walked away from a $120 Gran Premio = bad move.
On the other hand, I understand the desire to purchase a bike with, if not the original components, at least a good mix of quality components.
But I wouldn't mind sitting on it for a while, and collecting what I wanted on there as I go. I've got other bikes I can ride in the meantime.
Here you go, ponder this $500 Gran Premio (63cm) on ebay while you think about it...
UNIVEGA Gran Premio 63cm road bike, vintage Tange double butted steel, excellent | eBay