Consider setting up your own review community. One of the leading service providers, Bazaarvoice , builds review communities and urges transparency. Its "Ratings & Reviews" module is designed to solicit unvarnished reviews that are published on your website, subject to your approval.
If you're skittish about publishing bad reviews of your products on your own site, you may be more interested in a solution like Genuosity's Kudos-Works or Zuberance . They solicit glowing testimonials from extremely enthusiastic customers.
If you're not ready for any of these choices, business and financial experts advise you to still monitor what's being said about your products online. Service providers to evaluate include: