Forget Amazon. YouTube Is Where Shoppers Do Research | Adweek
In fact they have a valid point, if you want to make a REAL review site you should in fact purchase all the products, have someone review them on video, or do it yourself and host them on Youtube AND on your site obvious.
Then rank the video's in Google, as well as your site, or perhaps get double listings by showing your own video thumbnail in the SERP's.
Not a bad idea, just way too much work for me personally.
But it is a way to stand out of the crowd for sure!