cool-retro-term : A good looking terminal emulator which mimics the old cathode display ( https://github.com/Swordfish90/cool-retro-term )
termite : A keyboard-centric VTE-based terminal ( https://github.com/thestinger/termite )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a nightmare
For Paludis use this rsync : rsync://gentoo.zugaina.org/nightmare-portage
If you have a problem : ycarus(-at-)zugaina.org