That is a beautiful frame.
I was out on my 1995 Supercorsa today (also SLX, pearlescent white but as it has been well used the chrome and paint is nowhere near as good as yours) and it is a great ride.
The cockpit is a great place to be, looking down at the chrome flying "C"s.
I built mine with 30 speed Campag Veloce gruppo. I had no problem with spacing for a 10sp rear.
I have Cinelli bars on other bikes, but put 3ts on this as I liked the shape of the deep drop and a went for a slightly wider bar for better breathing.
Wheels are (at present) Ventos, which are strong but a bit heavy. I sometimes use a pair of self built Veloce hubs on Mavic Open pros, which are nice, but I like the spoke pattern and black colour of the Ventos. Tyres are Conti Grand prix
I may swap to a double for aesthetics as I never use the inner ring.
Yes it has SPDs in the photo. I sometimes ride 4 of my bikes a week and find it easier not to have to change shoes. Generally, if i'm going for a day run I stick Looks on it and use my road shoes.
What amazes me about the Supercorsa is that it's fairly relaxing to ride straight, even hands off (on smooth surfaces), but dives left and right if you just think about it! The rear is very stiff so it also climbs well.
I hope you enjoy yours as much as I enjoy mine.