I thought some of you might be interested in a post I made in the travel bidding forum discussing "planted" reviews on tripadvisor. It would certainly seem like management of the La Paloma is actively trying to keep their number one tripadvisor ranking by encouraging supposed "meeting planners" to join tripadvisor and then rave about the service they've received from the hotel.
http://www.flyertalk.com/forum/15879818-post49.html