Could you please put a "Todays Posts" link next to the "New Posts" and/or replace it?
The reason why I ask is because, from my point of view, nearly all of the vBulletin sites that I visit have this same behavior except for DF and it is very handy to be able see the big picture of what is going on.
Here is another one where the "New Posts" search is the same:
http://www.cngchat.com/forum/index.php