+3
Portage ebuild
The correct way to install applications on Gentoo is with its package manager, Portage. It would be nice to have an 'ebuild' available with which to install Sublime Text on Gentoo.
Customer support service by UserEcho
You can use https://github.com/DamnWidget/sublime-text that is pretty updated and is based on Slots for ST2 and ST3 with an eselect plugin to choose which version to use in any moment