AETRA
Just click on the download section to access AETRA'a "Best Airport Worldwide" annual customer satisfaction survey. The document is in PDF format.
http://www.aetra.aero/

Air Review
Contains reviews of a handful of major airports worldwide. The reports include lots of pictures, useful terminal maps and notes on bars, restaurants, lounges and other amenities at each location. A promising site.
http://airreview.members.beeb.net/Airports/index.htm

AirlineQuality.com
Reviews of airlines, flights, airports and airport lounges around the globe.
http://www.airlinequality.com/Forum/seats.htm

Airlines Reviewed.com
Features reviews of airports and airlines by real travellers.
http://www.airlinesreviewed.com/

Ciao!
Find out what other travellers have got to say about airlines and airports worldwide.
http://www.ciao.co.uk/Travel_12499_1

Dooyoo
International airports and airlines rated and reviewed.
http://www.dooyoo.co.uk/travel/

Epinions.com
Customers give their honest opinion of airlines and the mileage programs they offer. To get the lowdown on a particular airport, just type the name in the "Search for" box.
http://www.epinions.com/trvl-Transportation

Jane's Airport Review
Industry news and reviews aimed at airport managers and professionals.
http://jar.janes.com/

Sheriff Ratings
Rate places, airports and hotels you have been to.
http://www.sheriffratings.com/travel/

Skytrax
Airports worldwide ranked, reviewed and awarded.
http://www.airlinequality.com/

Skytrax
Fill out your own airport satisfaction survey.
http://www.skytraxsurveys.com/Airports/Surveys.htm

Smokers With Attitude
A guide to smoking areas in major US airports.
http://www.smokingsection.com/swafr.htm

UK Airport Delays
Features league tables and a forum for travellers to share their experience of check-in, security and immigration delays at British airports.
http://www.ukairportdelays.co.uk/

World Airport Awards
Annual ranking and recognition of airports worldwide.
http://www.worldairportawards.com/