Easy to install, easy to switch between Gnome and Enlightenment from your Bianca login screen.
Prior to log in choose sessions then enlightenment, login and you have it.
If you need to switch back to Gnome just hit alt>ctrl>backspace and it brings you back to your login. chose sessions and gnome enter name and pw and you are set.
Here is a link in the how to portion of the forum
You also have some screenshots and a YouTube video to look at.