Zoover.com
Lots of reviews, easy to use. Doesn't seem to be used by any of the TripAdvisor nutters! Based on my own views, and hthose from other sites, the reviews seem to paint a fairly accurate picture of sites.
Each nationality reviews in their own language and gives a mark out of 5 for different areas. I guess you could copy yand paste into Google translate.
The Dutch appear to be fanatical about photographing everything. They do seem to use the campsite's own mobile homes, which definitelyndon't appear to be as plush as Key/Eurocamp (I've never stayed in their basic mobiles though!).