I routinely use the "New posts" link to, well, check for new posts since I last browsed the forum, however it seems it lists the post since my last visit (more or less, there's some fudge factor applied) instead of the posts since I last hit the link, so I sometimes miss some posts (I know because if I scroll back in a topic I see messages I didn't see before).
Would it be possible to do the latter or, even better, don't reset the starting time for the "New posts" link until the "mark all messages as read" is used?
Edit: maybe it's actually done that way and that's where the problem arises? I mean, I hit "New posts", take half an hour before I mark the forum read and then I miss the messages in that half hour?