I never managed to get over Butch ruining my 10th Birthday in Vault 101.
And then I finally figured out the right vengeance for my pilfered Sweet Roll
http://www.youtube.com/watch?v=kj04-CGN_38[/youtube]
So I've been thinking for a long time about doing a full playthrough of New Vegas as an absolute pacifist... but the idea of a complete psychopath Kill Everything run appealed too. So I've decided to do both simultaneously, playing both through from the start with the 360 Ultimate Edition...