Note that Ubuntu also comes in a GUI free server edition as well. I can definitely state that Ubuntu 10.04 LTS Server edition is rock solid stable
+1 I've been running 10.04 LTS Server for over three years (on a Dell PowerEdge 2850) using Martin Pitt's PostgreSQL 9.1 PPA. -- Gary Chambers -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general