http://tech.yahoo.com/blogs/null/38606
From the page: The good news is that not all sites are worthless when it comes to ratings, even though a few bad apples are threatening to spoil the bunch. Brice recommends filecart.com, freshmeat, and download-tipp.de. I’d add some of the corporate entities to that list: Download.com is always reliable and offers honest reviews from staff and users, as does Tucows.”