Hiding users still progressing through the registration process

[LJR]

I am not sure if I am missing a trick here or whether this really only affects my site. The "problem" is that when my members see a new registration they immediately post an welcome thread in the forums which attracts a number of replies. This is great, but the thing is that some of the users they do this for haven't confirmed the email address (and some never do and so get purged) and some are in the moderation queue and are occasionally denied membership (but they have a thread in the introductions forum still).

What I would like is the ability to only have newest member and who's online show members who have completed the registration process.

I have searched the forums but my keywords are pants because I am getting returned loads of links, none of which seem to address this issue.

Are there any hacks that do this or anyone feel like creating one?

Thanks muchly