Nice Google Maps Mashup with Airports from around the world.
Before you fly, read about the airports you plan to visit.
Places to start ...
Sign up for a free account to create a personalized map and leave signed comments (if you want to wait a bit before signing up, you can still explore and leave comments as an Anonymous Flyer).
Search for airports code, airport name, city/region/country name, latitude and longitude, etc. etc.