I chose an Interstate 16' x 8' 6", as it is sold a bit closer to me then some of the other name brands.
I personally chose to have the barn doors in the back for a few reasons.
1. It's lighter than the ramp door, as there are no springs and the doors are not as heavy as they don't need to support weight.
2. It's cheaper by something like $400-$600 than the ramp door.
3. With the doors opened all the way up, they fold flat against the sides of the trailer and out of the way. The ramp is always in the way. I like to be able to stand on the ground and work on my ATV's and such on the trailer floor.
4. I only need 4' or so of clearance behind the trailer to open the doors fully, where the ramp must have 6' or 7' to clear.
The trailer is all welded frame, and is nice and solid. The tail lights are LED and the wires are all routed in the upper right side of the box. No wires to worry about hitting any when putting screws in the walls. It has torsion axles so there is no sqeaky leave springs and such. It travels very smoothly and tows like a dream.
Now, things I would have done differently given the knowlege I have now.
1. Beingst that I tow this behind my truck camper, I didn't take into consideration that both the camper and the trailer are
both 8' 6" wide and kiss while backing in tight corners. I had to add a 21" stinger extension to my hitch setup. Every thing clears now. I should have ordered it with a longer tongue.
2. I tow this beast into the sand, and with lowered air pressure in the tires, and lowered frame already, it drags. I should have had larger tires installed and the suspension lifted about 3" or so. I plan to do this modification myself sometime maybe this year.
3. I should have also had 3 more roof vents installed, as it gets silly hot in the summer due to lack of airflow just sitting there.
Now things that I would suggest to anyone ordering any brand of cargo to haul ATV's with.
1. Get the interior floor and 12" of the lower walls Line-X'ed. Makes cleanup a breeze. Water, oil, fuel and other chemicals won't hurt or soak into the Line-X.
2. Get the under belly sealed really well with good quality undercoating.
3. Add more lights to the interior. LED if you can get those.
Here are a few pics of my trailer and setup.