Snow Leopard had a default smart folder called "Today". This folder was awesome! All "Open" dialog boxes could easily display all of the files you've worked on "Today" (which are probably the ones you want 'right now').
I've been googling around and so far there's one result: http://forums.appleinsider.com/showthread.php?t=128907
This doesn't get the same behavior though.
When creating a new smart folder based around file timestamps you have three options:
- Date Created
- Last Modified Date
- Last Opened Date
The smart folder system doesn't seem to have OR syntax; each filter you add creates a narrower intersection of files.
Date Created, and Last Modified Date both produce a mountain of cruft. The stuff in your browser cache, email signature images...garbage.
The Last Opened Date option is super close! Buuut, if you create a new file, save it, and close it, it doesn't count as Opened. You would have to open it again to be included.
Hopefully the Last Opened Date behavior is just a bug. Otherwise, I'm not sure how to get this huge timesaver back.