plank : The dock for elementary Pantheon, stupidly simple ( https://launchpad.net/plank https://launchpad.net/pantheon-dock )
skippy : A full-screen task-switcher providing Apple Expose-like functionality ( https://github.com/richardgv/skippy-xd )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gnome-next
For Paludis use this rsync : rsync://gentoo.zugaina.org/gnome-next-portage
If you have a problem : ycarus(-at-)zugaina.org