Have you ever created a cluster like this?

I have. Numerous times. It's fairly easy to create clusters which get out of hand. The magic number is usually around 10-15 elements, assuming some of them are clusters as well, but even if those numbers are manageable, I've also created larger ones, and those aren't manageable.
Using LVOOP mitigates this to some degree, but does not solve it completely.
So, it would be great if we could divide the cluster into "pages" or "categories":

This will allow us to logically divide the cluster into manageable areas.
The names of the pages will appear in the selection list and in the unbundle node, as shown in the example (although you could hide them in the node by unchecking the full names option), but they will NOT actually be part of the element's name. Changing the name of a page or moving an element from page to page will NOT require you to change code which already uses that element.
Notes -
- In my mockup I used a tab control. I understand that LV R&D has some aversion to the concept of tabs inside clusters, so I would like to make it clear that I'm NOT asking for a tab inside a cluster. This is purely a cosmetic and organizational feature.
- I already posted this as a comment on this idea, but I figured it was worth posting as a separate one.