Hello, it's my first time posting to bikeforums. I got into biking just a few years ago but decided pretty early on that someday I'd own a vintage Wilier Triestina Ramata; not anytime soon, but years from now after hopefully working through a few vintage Peugeots, Schwinns, Treks, etc first.

Well, due to a particularly tempting eBay listing and some egging on by my wife, I'm now in possession of this beautiful frame that I now feel a little intimidated to build. I'm pretty confident about the mechanical aspects, but I don't know about bike history/culture well enough to answer these questions:

1. Campagnolo seems the obvious (only?) choice for groupset. But what suggestions do you have for stem/handlebars (Cinelli?), wheels, and saddle? Or just general suggestions for what parts you would build this frame up with, would be highly appreciated.
2. Would it be a faux pas to put 1980s C-Record on this 1975 frame? i.e. aesthetically coherent but chronologically incorrect? Same with a Selle Italia Turbo 1980 saddle.
3. I understand the lacquer on the cromovelato finish is pretty delicate; what treatment can I safely apply to make sure it looks its best and is protected?
4. What is the norm for saddle/handlebar tape color from this era? I've always assumed these should default to being the same color, but all the most thoughtful-looking builds of vintage Wiliers I've seen have had a black saddle and white tape.
5. Part of me wants to go restomod, spread the rear to 130mm and install modern Campagnolo group and wheels. I don't ever intend to sell this bike so resale value is not a concern, but as I learn more about bike history and culture is this something I'd be likely to regret? (I imagine this is pretty individual/subjective but would still value any thoughts.)

Thanks!

(Ah, shoot, can't post photos yet.)

Edit: I put pictures in an album accessible from my profile if you care to see the frame.

Edit 2: Pics down below, thank you [MENTION=332373]bwilli88[/MENTION]!