Custom Sidebar Tabs

So this is something I randomly thought about.
So right now in our latest posts sidebar we have tabs that let us view the latest posts of certain sections/criteria.
The first tab lets us see all the latest posts, while we have a tab that only show the latest posts in premium sections, or the latest posts in group sections.

Example of what I am talking about



So what if we had the option to create custom tabs via usercp, in which we can set a for the tab, and which sections would be included?
Therefor, if I wanted, I could have a custom tab that would show the latest posts in say the anime & manga section, and the discussion sections of the anime and manga group.
Therefor, that tab would let me see all the latest discussion of anime and manga.

Obviously the amount of tabs someone could have would be limited, but they would be able to enable/disable any section's latest posts from showing up on the sidebar, as long as they have access to that section.
Edit: People should also be able to pick what their default latest post tab is when they visit the main page.

Not sure if I have explained this well enough. I'll try to elaborate more if someone does not understand.