I briefly owned the previous year's equivalent to the Black Lightning, the '86 SR800, which came with the original all black Superbe Pro groupset in great shape. It was one helluva bike, but at the time I was new to road biking and I didn't know sh*t about bike fit so I sold it because I thought it was too small for me. I realize now that it actually fit me quite well and these days whenever I see a black C'dale, I'm overwhelmed with regret. Congrats on your new acquisition. Enjoy it!
I also had the original saddle: