+1 for this.
I'm a new evernote user, but this is the one thing that I really miss from this otherwise great program.
The problem is this: I'm working as a teacher. I found out that each of my student groups need a stack, and each student needs an individual notebook. That being said, I've got 8 stacks, each which contains ~20 notebooks. So when I'm opening evernote web (the only thing that works on the locked computers at work), I am greeted with the picture below (screenshot from when all the notebooks just was created).
After 1 day of hard work, my !INBOX is filled with a lot