Gianella Full DA

I’ve got the chance to buy a high end steel frame (Marinoni built Gianella)
with full 8sp DA (except shim 600 head set) for 750$. Its got first generation brifters.

The bike is in pristine condition. Its got modern shimano medium profile rims (year 2000+).

Its not really vintage (which is what im into) therefore I am wondering if i should get it because its gonna compete with my 2007LG 10sp (105).

the original owner is 60 and just bought his new 4000$ toy.

Should I or should I not?