Use whatever works for you. It may take a few different brands and styles to get it right. Tried Altras, hated them, moved over to Hokas and they work for me. They are both very good shoes.
I call it the dreadmill for a reason. I ran across some research showing higher levels of spinal compression due to sustained treadmill use. Think about it, should the ground underneath you be moving, or should you be moving over the ground? It's a subtle distinction, but worth nothing.