I used the same cart at Raton as Diego Ted. I can say it definitely did the job, but it wasn't really optimal for a place like the Whittington Center, which has many, many large rocks mixed in with volcanic gravel on the firing line. The very small wheels of this type of collapsible cart do not take well to fist sized (and larger) rocks. In addition, the handle does not "steer" the wheels; they are free to move on their own, which added to the difficulty on the rocks. The folks using the folding aluminum type carts with their larger wheels had a much better time of it at Raton.
Bottom line is that there are lots of choices, depending on where you'll use it most often. Rocky and/or uneven ground like that found at Whittington Center will be best served with a cart having large wheels. I had little choice with the folder as I flew and had to ship a lot of gear (including cart) to the hotel in advance; the aluminum folder simply wasn't an option for me. If you drive to the majority of your matches and haul all your gear in your vehicle, your range of choices should be much wider.