Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
I am a great admirer of Sabayon for quite sometime. This Italian distro is based on Gentoo Linux and provides an enviable ensemble of pre-installed applications which just works out of the box. Those who are scared of Gentoo, Sabayon can be a good starting point. Apart from being based on one of the most popular Linux operating systems, one of the greatest USPs of Sabayon is it's aesthetics. It comes with a very professional dark blue theme with application interfaces tweaked to match it. I haven't seen many Linux distros doing it, to be honest.
Sabayon, in every release, gives a ready to use Gentoo Linux based operating system with pre-installed applications and multimedia codecs. It has a rolling release cycle with around 3 releases every year. For example, in 2012, Sabayon 8, 9 and 10 were released in Feb, Jun & Sep 2012 respectively. The Apr'13 release is named differently as 13.04 rather than Sabayon 12 (Sabayon 11 was released in Feb'13). Anyway, apart from the change in nomenclature, rest of the things haven't changed much in Sabayon 13.04. In Fabio Erculiani's words: