Finally!! Long story short time...
At work I had co-developed an application to run on Postgres - being the local database guy, I decided on Postgres as it is my preferred open source database. Fast forward about a year, and my boss said to me, "Mwrynn, it would really be nice to run your app on that RDS thing to make life easy for us when we go live. You know, RDS provides all those nice scalability, availability and management features." I agreed and converted the application to MySQL. This is not an automatic process just because we use a fancy ORM, and took a good deal of work. Then we went in production.
Now Postgres is available on RDS and I may have to convert back to Postgres again. The music running through my head: http://www.youtube.com/watch?v=1D5Sa2Yq-2g