Sam confesses on his MySpace blog that he enjoys genealogy way too much.
On one particularly memorable occasion, I traced my great great grandmother to a school list in Derbyshire, England where her father's name (and address!) was listed. From there, I traced them back into the 1600's. After that moment, I sat back in my seat and shuddered with ecstacy.
If there is a hierarchy, it would have to be this:
4. Lost / Battlestar Galactica (let's be realistic)