With this plugin, any type of content can be reviewed and reviews can be listed as necessary.
Rate Star Review – WordPress Plugin
It’s AJAX based (no page reload required when posting, updating, listing reviews) and can be easily integrated with shortcodes.
Your Review:
Review Form...
Post Reviews:
Loading Reviews...
How to use this?
In example, if you have a post presenting an electronic product and want site members to be able to review and rate separately different aspects like Features and Performance these can be content types.