I cannot speak to the Midwest as I am in New England, but I am running this experiment myself on my little lakeside lot. I am trying this with 32 Cayuga White vines which is coming in to year 3. My reason for playing around with this training system is due to the site. The ground is a stony sandy loam which makes setting my usual heavy posts, line post and wire arrangement near impossible with hand tools. So I focused the digging work on the planting hole and set a u-post with each vine. My site is lower on the vigor side which will be good as I think on a higher vigor site, like I have at my other planting, it would turn into a real mess. I went with Cayuga as I was planting them at the other site and had surplus, not because I thought it would be the best or smartest variety to grow. So far, so good. We’ll see if I get some crop this year out of them and if I get good quality. So I would say give it a try but either work with a lower vigor site or variety. If nothing else you’ll have the fun of learning.