I looked at the Maxx Jaxx a couple years ago because the ceiling height of 10 feet would limit anything else. Regardless of what you decide to get look at the anchoring standards. I have a 4 inch 5000 psi floor and its not enough according to the manufacturer. I would have to cut out chunks and re-pour thicker concrete. Good part is that they are bolt mounted and made to be removed and stored when not needed. Just another option.