Reviews for Choxi.com, formerly NoMoreRack.com, can be provided on SiteJabber.com, which allows ratings in service, value, shipping, returns, and quality. These reviews are then aggregated with other users to provide an overall image of the company's quality.
In addition to SiteJabber.com, Yelp is another resource for leaving reviews for the general public. NoMoreRack.com has a Yelp page that contains numerous reviews. The rating system is simple and has a free form area for typing a detailed review of the company.
The Better Business Bureau provides information on complaints filed for different companies, including the number filed in the last three years and the number resolved. The BBB.org website is a resource for filing complaints regarding service, if necessary.