Funny you should mention backpackgeartest - I may, once I finish reviewing all my gear, start pasting in links to them instead of telling the same story every time someone asks about something I have.

One of the useful things about that site is they require you to talk about the conditions you used it in and how many nights out you used the product.

However, it's not always easy to catch the reviewers who have fudged the numbers.... I don't, because I'm rarely caught short - I have the hardest time if I happened to have some illness or delay of a trip due to circumstances.