Oh Jeez it's gorgeous! If you buy it, please consider changing as little as possible on it!
The fenders, headlight, old fashioned brake hoods, downtube shifters, gold pinstriping, rear rack, handlebars....all perfect and original and very nice quality!
The stem is top notch and doesn't seem like an acute angle at all to me, but then I am not used to modern stems made for carbon racing handlebars.
It's a CLASSIC.

I would say the same thing I usually say to people who are contemplating buying a vintage musical instrument in original condition and planning to modernize it to suit them....better to just buy a modern instrument that suits your needs to begin with, rather than taking an instrument that has survived many years in its original state and then remove and replace parts to the extent that you are forever altering the original design and function. Why not let someone else buy the old one who wants to play it and enjoy it for exactly what it is?

I hope you don't take this the wrong way- it's just that I love seeing old bikes like that all pristeen, and I get sad when I see people toss the original parts and put somewhat inappropriate new parts on them. Then the bike winds up looking like a mish-mash and is not really special anymore.
Just my OWN admittedly biased opinion.