From the listing:
Solid Base & Community - Sabayon Linux is based upon Gentoo, a free operating system known for it's ability to be automatically optimized and customized for just about any application or need. Extreme configurability, performance and a top-notch user and developer community are all hallmarks of the Gentoo experience. The Sabayon community is just as outstanding. Sweet! Computing has monitored their forums and live help IRC chat room and was impressed with the assistance given to newcomers as well as advice to seasoned professionals. We have not seen any requests for assistance go unanswered. There are a few great user communities and Sabayon ranks right up there with the PCLinuxOS gang in this department.