Summer 2011, which was our third on the trot of poor weather, was brightend up with the release of Centos 5.5 and later 6. Billed has a stable distro with long term support, about 6 years, This sounds good to me, desk top that I know and like, seperate root user, Red hat & fedora heritage.
Coincidentally I required to set up a PostgreSQL database platform. PostgreSQL 8.4.7 was the release that was current in the repostries at the time but I bravely opted to install the very latest 9.0 release. Lets just say I hope the effort proves worthwhile in the longer term.
Making VMs with the current postgreSQL release 8.4.7 was much easier. Hopefully 9.x.x will hit the repositories soon. PostgreSQL