Inbox for OP?
 

Often times while I'm concentrating heavily in a particular task group, making edits, etc., I think of one or more other tasks that should be inserted elsewhere. So far, I've either been putting them in a 'to be filed' task group, or in a separate text doc (when I don't want to lose my place in OP). I was thinking that maybe an inbox would be nice. And even beyond that, perhaps a way to pop down (maybe even some type-aheading) task groups for faster insertion. Would anyone else find that useful?