Converted development to PostgreSQL today. https://github.com/puppetlabs/puppetlabs-postgresql - change puppet config for connecting with pgAdmin3 https://devcenter.heroku.com/articles/heroku-postgresql#local-setup
handy commands:
sudo cp /etc/postgresql/9.1/main/postgresql.conf .
sudo cp postgresql.conf /etc/postgresql/9.1/main/postgresql.conf
sudo cp /etc/postgresql/9.1/main/pg_hba.conf .
sudo cp pg_hba.conf /etc/postgresql/9.1/main/
sudo service postgresql restart
#postgresql