The best resources available on the web beside TripAdvisor are the following websites for the key regions of Belgium

Belgian Tourist Office Brussels & Wallonia

Where you'll find up to the minute information on the capital Brussels and Wallonia, the Southern French speaking parts of Belgium.

Tourism Flanders & Brussels :

Where you’ll find up to the minute information on Flanders, the Northern part of Belgium and also on Brussels

The official website of the Tourism and Convention bureau of Brussels, capital of Europe and Belgium

For those who will be moving to Belgium as a part of NATO, the NATO newcomers guide is invaluable available at http://www.shapeonline.net/newcomers.... .Belgium is a great place to visit and live!

If you are relocating to Belgium then some good resources are  www.xpats.com and www.expatlist.be