Smaller Launcher with intellihide = nice.
Here’s my desktop when I’m working on stuff:

And here it is clean with my Launcher shrunk down, thanks to Andrea Azzarone’s contribution. This feels really great on my laptop:

Neil’s also landed a bunch of multimonitor fixes. Here’s some other goodies in Unity 3.6.4. Bitesize report on Tuesday, but I just had to share the love on this tiny-launcher.
I am now on the fence whether I should keep my bookmark toolbar or hide it to get even more content on my screen, but I do find it useful.