As with any piece of fitness equipment, there is no single "best" option. The fact is, the best power rack for you may differ greatly from the best power rack for someone else. Knowing your fitness goals, typical workout, price range, and available space is the first step to finding the best power rack for you. Sure, there are specs that make some racks better than others (e.g., 7-gauge vs. 16-gauge steel), but if it is not a rack in your budget or one that fits in your gym space, it is not the best rack for you.