There are a lot of options. Titan stem with Maes-Kint bars. Ambrosio/3T stem/bars. GS is good if you want tier 2, Record as mentioned before was top of the line. Or you could go Simplex for that matter. Fiamme, Mavic, Weinmann, Ambrosio rims, whatever.
But it seems you know all this so do want you want. You could play a game. What would be the "typical" build out of Germany? The US? UK? Or mix and match. What really doesn't matter is another opinion.
This is helpful! I love opinions. I'm not sure I can afford to get it period correct but I stumble across cool parts sometimes.