Damien Lawardorn of Only Sp posted a new four part article this month where he talks about how you can craft your own Narrative experience in Fallout 3.
More information.
The other three parts of the article can be read here , here, and here.Even as I stood blinking dumbly, waiting for my eyes to adjust to a light brighter than any I had ever seen, I heard the Vault door slam shut behind me. That place had been my home for nineteen long years, and now my best friend had cast me into exile. I could have broken down and cried for the future I’d lost when I shot a hole through the back of The Overseer’s head, but I wasn’t thinking of that at the time. Nor was I thinking of how I’d left my sweetheart behind that cold steel door, most like to never see her again. I wasn’t thinking of what I’d lost and left behind. All I was thinking of was that I had to find my father. He’d left the Vault, and left me to suffer the consequences, and I wanted answers, no matter how far I had to search to find them.
More information.