i think the jones machine is good for people looking to buy a rack for their home gyms. if you don’t have the luxury of a spotter every tim you’re in the gym, the jones will probably help you out a lot. sometimes when i’m squatting with the free weights i get scared to go for that extra rep at the end of a set. having a machine like this would allow me to go for that last rep and not worry about not making it all the way back up to the rack.