What's New In PostgreSQL 9.4
NoSQL on ACID - Meet Unstructured Postgres
Postgres Advances on NoSQL
Infrastructure testing with Jenkins, Puppet and Vagrant - Agile Testing Days 2013
PostgreSQL Clustering With Red Hat Cluster Suite 06122010
Enterprise PostgreSQL - EDB's answer to conventional Databases
Introduction to Postrges-XC
Using web2py's DAL in other projects or frameworks
Heroku Introduction
Steve Singer - Managing PostgreSQL with Puppet @ Postgres Open