I've had two Caloi, both aluminum. One was completely polished, and had a Shimano 1055 STI group on it. The components clashed mightily with the polished frame (carbon fork). I don't even remember what I did with it, likely gave it away.
The second was also aluminum, also carbon fork, and was blue and black, I think. It was on CL for $125 or so, and it had 2x8 Shimano RSX, with the blue lettering. I bought it for the wheels and group and gave the frame away.
I do remember those frames, as a bike shop pointed out the "toothpaste" welds, and that was the first time I'd heard that description and actually realized what it meant.
No idea they had steel frames. I used to ride with a Brazilian in NC, and he rode Bianchi and Pinarello carbons. We discussed Canopus a couple of times, and I'd love to have a nice one of those.