New guy here, but not new to reloading or other forums... I can't add much to what some of the other members here have suggested, but I would put in another vote for the Dillon 550. This is the easiest and cheapest way to load multiple calibers of all the dillon presses. The square deal is a cheaper machine, but if you are going to go with as many calibers as you list, then a 550 is for you. The quality will be excellent, and production is fast and easy. I have two set up in my shop, and I have loaded somewhere in the neighborhood of 25,000 rounds over the last few years. Good luck with your purchase!