Enlightenment

Enlightenment is a light-weight and eye-candy desktop environment.

Installation
Recommended are the following local USE flags as sane default to be able to auto mount removable devices, etc.:

If you don't want to undergo the painful manual installation of each package, you'd better use sets. One can add these two sets to to ease merging and rebuilding the packages:

And now one can finish the installation with:

Tips and Tricks
There are two sets to avoid unnecessary issues implied by the order of merging. Now one can start E17 desktop environment by launching the default display manager.

Or else, one can use simple ~/.{xinitrc,bash_log{in,out}} or zsh version `~/.zlog{in,out}' scheme to avoid unnecessary extra packages to just be able to log into your session. And do not forget to install NetworkManager and to be able to switch to different networks easily because, last time I've checked,  did not work at all despite that there's a E17 module for it.

A zsh version could be used instead.

The previous can be used to login into an E17 session easily without needing any middle man like depending on tty or console used to log in.