Ratebeer.com:
http://www.ratebeer.com/forums

The BBB:
http://www.cmg.net/belgium/clubhub/message/board.html

BeerAdvocate.com ... we average 600-700 posts a day, not including the
regional groups.
http://beeradvocate.com/forum/
Groups average 150-250 a day.
http://beeradvocate.com/groups/

As for Belgian beer related I can advice:
http://groups.yahoo.com/group/belgianbeer/
English language, HTML compatible (pictures!, illustrations, etc...)
Cheers,

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Filip Geerts / ICQ#: 26619207
City: Brugge Belgium Europe
URL: http://users.pandora.be/filip.geerts
or http://beerlink.cjb.net or http://surf.to/beer
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