If I had my way I’d dive w/ steel cylinders all the time. Either a 95, 119 or the 130’s.
When in the tropics all that is available are AL 80’s, a few 72’s or an occasional 100.
If I had access to steel that’s what I would use exclusively.
I just can’t find them where I love to dive. I’ve often considered traveling with a steel tank just to have it with me, but the transportation costs are too much.