Link parkin’: Postgres Guide
We here are very big fans of Postgres as a database and believe it is often the best database for the job. For many though, working with and maintaining Postgres involves a steep learning curve. This guide is designed as an aid for beginners and experienced users to find specific tips and explore tools available within Postgres.
Via Craig Kerstiens who outlines a number of reasons why you might actually want to use PostgreSQL. I heartily concur.