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Forum Moderators: rogerd
Starting a Web Community [webmasterworld.com]
The ABC of Building a Successful Forum [webmasterworld.com]
These threads are a few years old, but most of the advice still applies.
Starting up a forum with no traffic is difficult - it helps to have another part of the site that can drive traffic. You could consider forming an alliance with someone else in your space (who has high traffic) based on cross-promotion.