I've got a Cam Superline. I don't know if it's the best, but some of the features it has that I would look for in a dump trailer are: the hitch bolts on and you can adjust it up or down so you can match your ball mount, breakaway switch(this is probably standard on most anyways), the wiring harness is plenty long, the safety chains are heavy duty, and the wiring to the up/down switch should be long enough so you can sit in your truck and operate. If you wire your truck up so it charges the battery on the trailer, unplug it before you dump or you may blow fuses, which I did. I am glad I got a dump trailer. Besides the landscaping, debris aspect, I like being able to go get a few tons of crushed stone when I need it(there's a stone quarry 8 miles from my house).