Neither site is overall better than the other, so choose the site according to your mood. Or you could go to this site. Dedicated to classic and older horror, monster, and sci-fi movies from Hollywood, England, and Japan. Reviews also include reproduced poster or video box art. Jabootu's Bad Movie Dimension Amazing.
New reviews are infrequent, but worth the wait.
Jason Atwood's Wide World Of Movies Exhaustive site, with hundreds of movie reviews, from the unknown to major studio product. In a way like the Internet Movie Data Base, but just listing all the reviews out there for the movie you are inquiring about. A good backup if the IMDB has no reviews for the movie you are curious about. Another nice mix of reviews of mainstream movies, the independent, and the offbeat. With more than one reviewer, there's probably enough movies for anyone's taste to make this worth a look.