I have a 3hp 10x50 mill that I am acquiring accessories for. I need-want a rotary table. What size should I be looking for? Is bigger better? Do I want to get a vertical mount also. I see a lot of horizontal only. I know it depends a lot on what I want to do but what have you bought and later wish you had done. They are hard to find in my area and to expensive to ship. I was thinking 12". I will probably have to get whatever is within driving distance and reasonable price.