I've been checking out Scottyballs, kriz, yours, and a few other scrog grows recently. I like it. I might do it later. I just like the topping method.
Plus, I've never topped it that low before so I'm excited to the results I get.
That's what im hoping for. B) I love me some bushes! lol Your Jack is looking great and I'm sure it will wonderful in flowering! Good luck with the 12/12 stretch man. I hear Jack's are notorious for stretching badddd. I think your col scrog will definitely help out with that. Great idea, btw. I might borrow it if that's okay.