For those asking for less-monochrome screenshots, here’s a selection that might give you a better look at the Toolkit:
https://dl.dropboxusercontent.com/u/61703399/UE4Editor%202014-11-09%2021-00-44-19.png
https://dl.dropboxusercontent.com/u/61703399/UE4Editor%202014-11-09%2020-59-39-94.png
https://dl.dropboxusercontent.com/u/61703399/UE4Editor%202014-11-15%2021-09-09-55.png
Also, I’ve got a site relaunch on it’s way with enhanced documentation, shouldn’t be more than a fortnight coming!