Over in the sidebar on the right I have a widget for DateRater. It updates as new reviews are added to the DateRater site.
I have come across another online dating service review site, however this one does not have a widget - you have to go to the site. The Viewpoints.com website offers consumer reviews about a multitude of things, including online dating services.
Online Dating Site Reviews
For now, I will put a link in the sidebar under the DateRater widget. If viewpoints offers a widget in the future, I will add it for you.