Funny you ask, I was just reading the reviews on Cabela's website about the "hitch hauler" brand, mixed reviews, most negative reviews are focused on poor strength due to the design, it is shipped in two sections and bolts together in the middle above the towbar, obviously in my opinion that split is destined for problems.
Looks to me like I could actually have one custom built for around $200-250 which could be welded without loosing tensil strength across the length. Around these parts, most everyone knows someone who has welding skills and it could probably be built with materials for aroud $60 bucks. (I am comparing the actual hitch hauler square frame)
When I read the reviews, I look strongly at the scores of 3/5, most of these are based on opinions that have knowledge of good and bad. Scores of 5/5 tend to be nauive, 1/5 or 2/5usually are venting frustrations rather than a valid review.
Best bet, decide what feature you like, then look for a local metal fabrication shop and get an estimate.