>I'd like to post a message on the board in which I invite colleagues to become betatesters of a shareware package that I'm currently developing, using VFP7.
>
>What's your opinion about this kind of usage of the board?
>
>And what's the best 'entrypoint' for this?

I would use the Chatter forum for it. Even if your product is done in VFP, the purpose is to collect some testers, so it'd be better in the other forum.