I don't know if you all used this feature a lot in the "standard" kinja, but I sure did. I like to click between blogs using the little button on the upper left hand corner of my screen next to where you get notifications:
SO, this is a heads up, you can still do this, but the button is next to the page avatar now. I might be slow to have only realized it now, but I wanted to mention it for folks who are slow like me.
Also I'm really excited to use the "fucking kinja how does it work?" tag again.