I would also throw out that the Rumble provided a server setup script that automatically used Capistrano and MySQL, so it would hurt your time a little had you

I would also throw out that the Rumble provided a server setup script that automatically used Capistrano and MySQL, so it would hurt your time a little had you not used what they provided. That may have skewed the deploy/database usage results a bit. The only reason I used MySQL was that I essentially got it for free through the setup script.