If you're living in your awesomebar and don't already know them, you might want to check out our filters:

https://support.mozilla.org/en-US/kb/awesome-bar-find-your-b...

You can restrict location bar matches to bookmarks only, urls only, open tabs only, &c.

I don't know if it counts as an easter egg, but it makes my own life a lot easier.

Yeah, get thee to a recent release or pre-release and tell us what you think.