OANDA.COM
Skytrax recommend this Foreign Exchange Currency Converter - a multi-lingual Currency Converter with up to date exchange rates for 164 currencies.
http://www.oanda.com

RAVENFOX.COM
RavenFox.com offers the latest travel retail news, events listings, industry comment and access to fortnightly magazine Duty-Free News International. It’s a great site for research and keeping up- to-date with the industry.
http://www.ravenfox.com

FLATSEATS.COM
The global site that focusses on "premium" airline seats - for passengers, airlines and suppliers alike. Customer reviews of airline seats - results of seat Surveys and seat Tests. check out the comfort of seats, find out which airlines offer lie-flat seats, and much more.
http://www.flatseats.com

WORLD AIRPORT SURVEY
The worlds largest Passenger Survey of airport standards. Your opportunity to enter the current online Survey, with the chance of winning a laptop!
http://www.worldairportsurvey.com

WORLD AIRLINE AWARDS
If you are trying to choose a top quality airline for your next trip, why not check out which airlines were the winners at this year's World Airline Awards ? With millions of passengers across the globe voting for these Awards, this site gives real guidance on just who is best.
http://www.worldairlineawards.com