http://www.airlinequality.com/ "The world's largest selection of independent Airline and Airport reviews for over 620 airlines and 645 airports. Passenger Trip Reports, Airline Flight reviews, lounge Reviews, seat reviews - check standards in the Official Airline Star Ranking guide."
http://www.seatguru.com/ "Seat advice for 700+ seatmaps, backed by 25,000+ flier reviews".