Hitch-Haul...WalMart. Laugh if you want, but i've abused mine for more than 10 years and it's still going strong. No rust, no breaks- although the finish has dulled. It's not the sexiest looking thing out there, and it's simply designed, but it's survived 5 cross-country moves and two camping trips deep into Anza-Borrego (attached to my FJ, and I also load out the roof rack). I've used the matching cargo bag for just as long (helps to cube out when packing/loading, and it's waterproof), which has only started wearing out in the last year, though admittedly I think I doomed the bag to death when I used it to hold too many cubic feet of mulch. The supports are weakening and the seams are stressed and starting to tear, but that's due to abuse, not use.
Save a few bucks and grab one from Harbor Freight/Northern Tool/WalMart...it'll last longer, and be more functional, than you initially think.
HTH