You can comment immediately. To make a front page post to MetaFilter, you need to be a member for a short amount of time and you need to make a comment to the site. To make an AskMetafilter post, you need to be a member for at least a week. Note that even long-time members have waiting periods between posts.
(tags: fpp posting newmembers askme askmetafilter ) April 20, 2006 - permalink - back to questions