Or know any good stories about people who do - maybe those guys on death row. I find it kind of fascinating and am half tempted to do it, but it does seem weird and I couldn't really explain it to anyone by saying anything expect I find it interesting.

Inspired by this, and some of the nutters in the comments:

http://www.theguardian.com/uk-news/shortcuts/2013/aug/18/charles-bronson-time-released