Simplicity GNU/Linux developers announced availability of Simplicity 15.4 Beta, Pre Release of upcoming stable release of Simplicity Linux.
From Release Announcement:
We are pleased to announce that Simplicity Linux 15.4 Beta is now available to download. We are releasing Netbook and Desktop betas, both available for the first time in 32 bit or 64 bit editions. We’re basing these on LXPup and LXPup64, because it is an excellent distro with a really good implementation of LXDE.