Ken Rockwell has been my go to for reviews on cameras and lens. He is a great source for all things Photography including tutorials, and links to places that have great deals. His site is advertising free he takes donations and plainly states that that is how is able to operate his site and support his family. His unbiased and real world reviews make the process of deciding whether to buy this or that so much easier.
http://www.kenrockwell.com/index.htm