What brand is it? Looks a little like the Supermax we had when I started. Ours were mid to late 80's models. I bet being a step belt setup that the machine has less wear--everyone gravitates toward variable in a shop (unless there isn't one available).
The mister is probably a KoolMist setup. We used to run them ALL the time. Now I bet we only have 2 or 3 in the shop and they rarely get cut on--those things will smoke you out and it can't be good to breathe! We used to cut the exhaust fan on several times a day to clear the air.
When you buy a vise, try to find the widest opening you can (6" width is pretty standard). Back when that mill was built, 6" opening was normal, but Kurt managed to push it to almost 9--I am assuming the Chinese copied everything they did. A cheap set of 1/8" parallels will be fine for a home shop.
Good luck with your new toy, I wish I had shop room for a full sized machine.