Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
Pinguy OS 13.04 (based on Ubuntu 13.04) beta has been released recently, this being basically the final 13.04 version because Pinguy has decided to keep the 6 month releases as betas and only the LTS will be considered stable.
The non-LTS releases will be using bleeding edge software, like XBMC 13.0 alpha or GNOME 3.8 / GNOME Shell 3.8 that's included in Pinguy OS 13.04, which isn't included by default in Ubuntu 13.04 and so, it isn't considered fully stable in Ubuntu. According to a recent Pinguy OS blog post, the 6 month releases are usable, but they might not include features that will be available in the LTS: