"Best One" Trailer/Dolly

Several years ago CEI Manuf, division of Camper Exchange Inc., offered the "best one" - a one axle trailer, rated at 3500 lbs with brakes and tilt load. It was basically a tow dolly that got all four wheels off the ground.
I am trying to locate one for purchase and would appreciate any feedback from fellow RV'rs that may have owned one.